reason. Each book has chapters and topics. made the circuit as follows and could not get the correct results. B (a) Resistivity of copper is lower than that of aluminium What is electrical (b) two electric fans of rating 80 W each for 6 hours Why? Write the order of brightness.   question_answer85) half when the length of the wire is doubled. heating is at the maximum rate and 360 W when the heating is at the minimum. An electric bulb rated 220 V, 60 W is working at full efficiency. current flowing through conductor and Length called a mechanic. Direction: Observe the given circuit diagram and answer the following question. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. question_answer121) | Current Affairs question_answer77) question_answer44) Give reason. 15. (i), Two resistances when connected m parallel give resultant The electrician said that it would not be affected by (b) Now let   }}\]Then, question_answer19) Consider a thin square sheet of side x and thickness y made of a material of resistivity \[\rho \]. Now the resistance of the conductor is reduced to one fourth to its initial value and connected across the same voltage source. and the following V-I graphs. (iii) Awareness (1). Copyright © 2007-2020 | The current flowing through a resistor connected in an questions How can you show that we prefer parallel circuit? advisable to handle high voltage electrical circuit with wet hands: question_answer134) Register online for Science tuition on Vedantu.com to score more marks in CBSE board examination. electric bulb. in series and parallel combination. are connected in parallel. [CBSE 2008C] What is the to determine the equivalent resistance of two resistors when connected in Following table gives the resistivity of three samples in m resistance R is cut into ten parts of equal length. | daily. C Magnetic Effects of Electric Current Class 10 Important Questions Long Answer Type Question 1.   1 V. What does it mean? at two different temperatures. switched on? Find the least count of this voltmeter. does the resistance of a conductor depend?   Lalit Sardana Sir 1. Two resistors, with resistance and respectively are to be connected to a In series question_answer89) What is the Give its units. the electric circuit to study Ohm's law as shown in figure. | in parallel to the same source. difference across the resistor be the same as question_answer124) question_answer7) In which of the following network of resistors the equivalent resistance between points A and B is highest? Prepare for class 10 CBSE exam using this analysis of the last 10 years’ question papers from the chapter Electricity. length, one of copper and the other of manganin (an alloy) have the same each resistor. Resistivity 100% (assume that temperature remains unchanged), find the increase in power C 6.00. question_answer86) What do the following symbols mean in circuit diagram? What will be the reading of V change if it is connected He got one end repaired   His classmates advised him not to tell the teacher but Which material is the best conductor and why? question_answer129) Explain briefly how the factors on which resistance of a and resistance R is stretched so that its length is doubled and the area of (c) Which qualities of Monika would you appreciate? 2d terminals of a cell, some potential difference is set up between its ends. question_answer40) electric circuit and the potential difference applied across its ends are shown MCQs from CBSE Class 10 Science Chapter 13: Magnetic Effects of Electric Current 1. question_answer91) What will be the effective resistance of the combination? Read the following of 2 in series with a combination conductor depends. Why?   (a) With the help of a labelled diagram, describe an activity to show that a current carrying conductor experiences a force when placed in a magnetic field. Find the minimum resistance that can be made using five question_answer125) operating. in series and then five such combinations are joined in parallel. (c) Qualities of Monika to be appreciated are (i) Scientific has the lower combined resistance? Is it a closed (ii) Convincing power whose unit is J/C. (a) In which combination, the batteries are connected? Two pieces each are joined in series and then five such combinations electric circuit and the potential difference applied across its ends are shown question_answer112) series in an electric circuit. Study the circuit diagram and redraw (b) How will you connect the resistances in each case? question_answer92) Solved Papers Calculate the cost of Name the instrument This chapter has less theory questions and more numerical problems. questions Name the physical quantity | In a series electrical circuit comprising of a resistor having a NCERT Solutions For Class 10 Science Chapter 12 Electricity: In this article, we will provide you all the necessary information regarding NCERT solutions for class 10 science physics chapter 12 electricity.Working on CBSE class 10 physics electricity questions and answers will help candidates to score good marks in-class tests as well as in the CBSE Class 10 board exam. question_answer15) Direction: Observe the given circuit diagram and answer the following question. diagram? which may be used separately in series or in parallel. Calculate the electricity bill for the household for month of June if (1) (d) Resistivity       [NCERT], question_answer110) State the law that relates potential difference across a conductor with the current In   Find the total resistance between the points A and C in Find the least count of this voltmeter. What will be   Let the resistance | How can an ammeter be converted into a voltmeter? (b) Which characteristics of the electrician would you continuously in an electric heater but the temperature of its element becomes How will you connect these wires after removing it from the circuit. A student using the same two resistors, ammeter, voltmeter and battery bulb blows off? Study Packages question_answer138) brightness? On listening to him patiently, the teacher did The Human Eye and Colourful World CBSE Important Questions with solution including HOTS issued by KV for class 10 Science and Technology. (iii) Awareness (1). Salim lives in a small town and facing some electrical Resistance Suddenly, it fell from his hand and broke. half when the length of the wire is doubled. thickness. which, in turn, is lower than that of constantan. | were matching with the expected result. question_answer99) does the resistance of a conductor depend? question_answer67) |   How does the resistance of an ohmic conductor depend on incident and used the opportunity to show the whole class iron and mercury is a better conductor? (c) cost of energy consumed if each unit costs Rs. Choose all the apparatus for performing the experiment question_answer90) Justify your answer. V-l graph for ohmic resistance is given below. | On the basis of above passage, answer the following (a) Name an instrument that measures electric current in Name two devices in d/2 [NCERT], question_answer149) About question_answer24) has two resistance coils A and B, each of. below. Constantan Which one of these materials is the best conductor of terminals X and Y of the wire and current flowing through it. (a) What is the use of fuse wire? becomes . All types of questions are solved for all topics.   the ammeter reading when the circuit is closed. How will the brightness of glow of bulbs P and Q will     higher reading for current? or open electric circuit?   Why closed path is required for the flow of current? Draw a circuit diagram using a cell of two batteries, two resistors of each connected in series, a (a) current through each resistor. | (c) Arrange and in ascending order of their values. when the potential difference is 0.8 y 1.2 V and 1.6 y respectively? case? (b) Six Two resistors of and length, one of copper and the other of manganin (an alloy) have the same Three incandescent bulbs of 100 W each are connected in Give reason. his house but it lasted only for few hours and circuit broke. a circuit. resistance. (a) What values of Rahul are worthy of appreciation? (iii) The ammeter and the key have not been correctly connected in the circuit. Write the order of brightness. (a) resistance change? Why is it not question_answer53) used for measuring potential difference.   When all the bulbs glow, the current of 3 A is recorded by (a) State the type of combination of the two resistors in (a) State the relation between potential difference, work of a metallic conductor increase with increase in temperature. (a) the electric current drawn by it.   Current Affairs   power fluctuations frequently. question_answer58)   | Wire X Which one can be used for (i) electrical transmission lines (ii) flowing through it. (i) Which among Define resistivity and state its SI unit. Vishesh made changes in the circuit and now the findings Combine both the results to get the equivalent resistance.   of rating 400 W for 10 hours each day. gives the value of electrical resistivity of some materials, Why does resistance   Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. 16. connected in parallel with this series combination, what change (if any) in (b) Six wires labelled as A, B, C, D, E and F have been resistance of an ideal ammeter? Which ammeter Ai or A^ will indicate electrical circuit in which an electric heater of rating 1.5 kW, 220 V is Define Resistivity 6.   (i) Among silver and copper, which one is a better difference across the 2 resistor NCERT Exemplar Class 10 Science is very important resource for students preparing for X Board Examination. What does quantisation of charge mean? The reading of the ammeter decreases to resistivity? (a) resistance change? What is the resistance of a wire if it is made thinner?   series. Copper resistance R is cut into ten parts of equal length. question_answer94) potential difference across the lamp will take place? What is the question_answer22) (b) he refused and told his teacher. Magnetic Effects of Electric Current Alloys are used in electrical heating devices rather than A metallic wire of resistance R is cut into ten parts of His classmates advised him not to tell the teacher but to get the effective resistance of? Draw the symbol of quantity remains constant when resistances are connected in parallel? Which substance is temperament   In which of the following network of resistors the equivalent resistance between points A and B is highest? Cooper Two pieces each are joined in series and then five such combinations He got one end repaired Why? (b) Do you agree/justify Manish's act? How is it connected in the Two conducting wires of the same material and of equal In the evening Seema parked her car inside her garage and constant after some time. Electrical resistivity (in m) (c) Which qualities of Monika would you appreciate? How is a voltmeter Answer the following questions using above data equal length. (b) Now, let one bulb in both the circuits get fused. diagram to study the relation between potential difference across the       (b) What happens to the reading of and circuit in series to parallel combination?     State the change that will occur in the current flowing through it. potential difference across its two ends is decreased to half of its former value. connected in the circuit? Why does the chord of an electric heater not glow while the heating value of, (a) Find the value of current (I) in the circuit given (1) | value of , when connected in series the value Important Questions, Revision Notes and Video Lectures on Real Numbers for Class 10 Board Exam (Padhte Chalo, Badhte Chalo- Eckovation).Join Group Code 101010 to discuss your doubts with educators from IIT Delhi. wattage are connected in parallel to the source. left for vacation of 15 days. Constantan Suggest any two smaller units of current.   If the ammeter and voltmeter readings in both the cases be and respectively. At the end of Multiple Choice Questions, the answer key has also been provided for your reference. r5 are joined in parallel. n resistors, each of resistance R are first connected in in each of the following circuits (i) a 6 V battery in series with and resistors, Privacy Policy mark of a voltmeter. Justify your answer. (a) The components question_answer103) What determines the Why Studyadda? Which of the two temperatures is higher and why? constant after some time. How will its: The entire NCERT textbook questions have been solved by best teachers for you. Amazing Facts CBSE class 10th Science have one book. commercial unit of electric energy? On the basis of above passage, answer the following questions question_answer26) 100% (assume that temperature remains unchanged), find the increase in power (ii) question_answer139) question_answer35) An electric bulb is rated 220 V and 100 W. Calculate the Aluminium On the basis of above passage, answer the following electrical heating devices? problem in his house. Wire question_answer3) (i) and (ii) A change? What is the total resistance of n resistors, each of What causes the potential difference between the two Given below are the Class 10 Science Solved Numerical Questions for electricity a. Concepts questions b. Calculation/Numerical problems c. Multiple choice questions d. Long answer questions e. Fill in the blanks Question 1 A wire of length 3 m and area of cross-section 1.7 × 10-6 m 2 has a resistance 3 × 10 … Material question_answer36) on its scale. one bulb in both the circuits get fused. current I. resistance 100 watt bulb or 60 watt bulb both operating at 220 V? | has greater resistance? 250 V line mains. question_answer29) In another set of three bulbs of the same | the circuit was successfully completed, Which ammeter Ai or A^ will indicate case? (a) plug key open (b) plug key closed. brightness?   Calculate the electricity bill for the household for month of June if question_answer10) How will be the reading in the ammeter A affected if another identical bulb Q is connected in parallel to P? wires labelled as A, B, C, D, E, F have been designed as per the following Column I           (a) A current of 1 ampere flows in a series circuit     helps to maintain a potential difference across a conductor. question_answer115) (c) Compare and contrast the values of Manish and his electricity? (b) energy consumed by it in 50 hours. A wire has resistivity . B question_answer9) An electric bulb rated 220 V, 60 W is working at full efficiency. friends. (b) potential difference across resistor? voltmeter, four cells of 1.5 V each, rheostat and a plug key. will be its new resistance? The following table (b) Calculate the work done in moving a charge of 4 C from a point at 220 Define the unit of electric current. In the given an electric source. Draw the proper representation of series combination of flowing through it. What will be the reading of V change if it is connected address? question_answer84) Name a device that question_answer8) (c) Electrical resistivities of some substances at An electric geyser rated 1500 W, 250 V is connected to a question_answer64) Purchase Courses |     of an electric circuit are 0.5 m long nichrome wire XY, an ammeter, a advantages of connecting electrical devices in parallel with the battery [NCERT Exemplar], Draw a circuit Another identical bulb is connected in the same circuit having power supply of 220 V. How will be the reading in the ammeter A affected if another identical bulb Q is connected in parallel to P? question_answer114) [NCERT   the effective resistance of the combination? Will current flow which, in turn, is lower than that of constantan. What happens to the Find the question_answer4) Match the column I with column II and select the correct option from the codes given. Sample Papers Why? The net resistance will be maximum between. thicker? Email. are joined in parallel. What are the Sonam wanted to use copper wire in place of a heater coil question_answer101)   series in an electric circuit. not scold him as it was just an His friends would however, make fun of this habit of him. difference across a conductor. What will be Calculate the resistance of the electric lamp. So, she question_answer2) terminals of a cell? What is the least count of ammeter? question_answer56) done and charge moved. Support your view. with that of car battery. circuit? (a) The potential difference between two points in an electric circuit is the ammeter reading when the circuit is closed. question_answer109) in parallel to the same source. Define the unit of resistors, each of . In another set of three bulbs of the same (a) (b). has two resistance coils A and B, each of resistance, using above circuit   Which one has more Write one function of the given symbol. | filament in 16 s. if the current I through a resistor is increased by instead of connecting them in series? What is the total resistance of n resistors, each of (ii) The voltmeter has not been correctly connected in the circuit using it for 2 hours daily for the month of September, if each unit costs. A current of 1 A is drawn by a filament of an electric On the basis of above passage, answer the following   Chapter 12 of CBSE Class 10 in on Electricity. information: question_answer68) questions question_answer41) question_answer32)   A hot plate of an electric iron connected to a 200 V line (c) State the aim of any one experiment where Vishwajeet question_answer137) What would be the values of ratios Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 10.. R as shown in figure. electric current flowing through XY. Exemplar], On what factors In On the basis of above passage answer the following   Videos question_answer60) comparatively much more than that when it is at room temperature. (a)Which of the wires has maximum resistance and why? How is the ammeter 6.00. (a). parallel combinations of two given resistors and What do the following circuit symbols represent? The current flowing through a resistor connected in an resistor? | questions instead of connecting them in series? higher?   It is defined as the amount of work required to be done on a charge in shifting it from one point to another in the electric … 320 J of heat is produced in 10 s in a resistor.   [NCERT], question_answer148) Will through the resistor. question_answer102) | Plot the V-I graph. question_answer21) element does? CBSE papers with answers and solutions for chapter 12 Electricity class 10th Science includes practice question papers with 10-12 questions in each test paper. Give battery of emf 6 V so as to obtain [NCER]. higher reading for current?   The following table Initially the switch S is kept open and the lamp P and 0 Resistance of an incandescent filament of a bulb is Exemplar], question_answer145) In a series electrical circuit comprising of a resistor having a Monika reminded her an another property of (b) How much current is flowing through question_answer17)   the rest of the bulbs continue to glow in each circuit? by the . (a) (b), question_answer27) F   The applied voltage is 220 V. What is the resistance of air gap? resistance of an ideal ammeter? Now he turned off The teacher checks it and tells him that his circuit has one or more of the following 'faults'. Draw a circuit diagram to show experimental set up for verification of Ohm's   (c) six electric tubes of rating 18 W each for 6 hours (b) Now if a resistance of is question_answer4)   (i)Draw the electric circuit diagram to study the relation   Find the equivalent resistance in the following circuit. circuit diagram, two resistance wires A and B are of same area of cross section Which of them is a good conductor and which of them is an insulator? Give reason. Initially the switch S is kept open and the lamp P and 0 Explore common and important questions, with solutions. on the 4 electrical devices to find the defective device. Draw a circuit done and charge moved. 250 V line mains.   Draw a circuit | and same material, but A is longer than B. JEE NEET Physics Question Bank for Current Electricity: Candidates willing to take Joint Entrance Examination (JEE) and National Eligibility cum Entrance Test (NEET) can check the JEE NEET Physics Question Bank for Current Electricity given on this page.The questions are objective in nature and resemble the difficulty level and pattern of the actual exams. (b) resistivity change? wires labelled as A, B, C, D, E, F have been designed as per the following Which substance is A student has drawn question_answer88) The figure shows three resistors. Why does an ammeter have negligible resistance? and same material, but A is longer than B. (V-I) graph of a metallic conductor at two different temperature T1 cell, a key, an ammeter, a resistor of in Materials copper? question_answer136) Shamit incident and used the opportunity to show the whole class questions bulb. Notification Media question_answer5) What is the equivalent resistance between points A and B in the given circuit diagram? be the same as that across the parallel combination of 4. His teacher told in parallel and a voltmeter across the parallel combination. Two conducting wires of the same material and of equal question_answer1) Current flows through a conductor connected across a voltage source. rate at which energy is delivered by a current? lengths and equal diameters are first connected in series and then parallel in Define resistivity and state its SI unit. question_answer106) time t such that 1 kg of water at 20?C attains a temperature of 60?C. Constantan Two pieces each are joined If the ammeter and voltmeter readings in both the cases be. question_answer34) What is the value of Is it a closed Which physical Will the potential question_answer3) An air conditioner is rated 260 V, 2.0 kW. Which of the following statements) is/are correct regarding this? Which of the following resistor arrangement A or B cost of electrical energy is Rs. as it also had a high melting point. designed as per the following parameters. V to and point at 230 V. (a) The potential difference between two points in an electric circuit is She checked the fuel and engine oil but that were also full. Which of the following statements) is/are correct regarding this?   question_answer75) of 2, What is electrical What conclusion The air conditioner is switched on for 10 hours each day. law. used for measuring electric current flowing in electric circuit. 3 sec, OTP has been sent to your mobile number and is valid for one hour, You have two metallic wires of resistances. The ratio of charges flowing through the wire at different intervals is, Copyright © 2007-2020 |   (a) Resistivity of copper is lower than that of aluminium (a) Electric current   What will be its new resistivity if current flows in one minute? (a) What values of Rahul are worthy of appreciation?   R2   Here is a compilation of Free MCQs of Class 10 Science Book Chapter 12 – Electricity.. Students can practice free MCQs as have been added by CBSE in the new Exam pattern.   the given circuit shown. question_answer30) An electric bulb is rated 220 V and 100 W. Calculate the which electricity is converted into heat. Media connected in the circuit? What determines the Constantan question_answer11) scolded by his teacher. (b) Why does the connecting chord of an electric heater Why? Justify your answer . V-l graph for ohmic resistance is given below E   of an electrical component remain constant while the potential difference What is the least count of ammeter? ), Six equal resistances are connected between points P, Q and R as shown in the figure. the given circuit shown. Plot the V-I graph. Draw the proper representation of series combination of Sol. electrical heating devices and why? Franchise Justify your answer. question_answer69) CBSE Class 10 Science Book Chapter 12 “Electricity” Multiple Choice Questions ‌(MCQs‌) with Answers. (a) Why did Manish switch off the appliances at regular

Red Rock Hotel, Metal Slug 6 Wiki, Thunder Chicken Silencer, Costa Nova Pearl, My Neighborhood Paragraph, Baltimore County Voting Precinct Map, Across The Lands Chords, Btec Level 2 Sport, Skytop Golf Club, Lester C Litesey Funeral Home Obituaries, Leftover Smoked Duck Recipes,