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Chapter 12 Electricity Class 10 Science NCERT Solutions

Class 10 Science NCERT Solutions Chapter 12: Electricity is developed and witten by our expert teachers. Students can study our solutions of Chapter 12: Electricity class 10 Science, In text Q & Answers of page 200 Q-1 What does an electric circuit mean?, In text Q & Answers of page 200 Q-3 Calculate the number of electrons constituting one coulomb of charge., In text Q & Answers of page 202 Q-1 Name a device that helps to maintain a potential difference across a conductor. , In text Q & Answers of page 202 Q-2 What is meant by saying that the potential difference between two points is 1 V?, In text Q & Answers of page 209 Q-1 On what factors does the resistance of a conductor depend?, In text Q & Answers of page 209 Q-2 Will current flow more easily through a thick wire or a thin wire of the same material, when connected to the same source? Why? , In text Q & Answers of page 209 Q-3 Let the resistance of an electrical component remains constant while the potential difference..., In text Q & Answers of page 209 Q-4 Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?, In text Q & Answers of page 213 Q-1 Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series., In text Q & Answers of page 213 Q-2 Redraw the circuit of Q 1, putting in an ammeter to measure the current through the resistors and a

NCERT Solutions Class 10 Science
Chapter 12: Electricity
In text Question Answers

=In text Q & Answers of page 200 Q-1 What does an electric circuit mean?

In text Q & Answers of page 200 Q-1

=In text Q & Answers of page 200 Q-3 Calculate the number of electrons constituting one coulomb of charge.

In text Q & Answers of page 200 Q-3

=In text Q & Answers of page 202 Q-1 Name a device that helps to maintain a potential difference across a conductor.

In text Q & Answers of page 202 Q-1

=In text Q & Answers of page 202 Q-2 What is meant by saying that the potential difference between two points is 1 V?

In text Q & Answers of page 202 Q-2

=In text Q & Answers of page 209 Q-1 On what factors does the resistance of a conductor depend?

In text Q & Answers of page 209 Q-1 On

=In text Q & Answers of page 209 Q-2 Will current flow more easily through a thick wire or a thin wire of the same material, when connected to the same source? Why?

In text Q & Answers of page 209 Q-2

=In text Q & Answers of page 209 Q-3 Let the resistance of an electrical component remains constant while the potential difference...

In text Q & Answers of page 209 Q-3 Let

=In text Q & Answers of page 209 Q-4 Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?

In text Q & Answers of page 209 Q-4 Why

=In text Q & Answers of page 213 Q-1 Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.

In text Q & Answers of page 213

=In text Q & Answers of page 213 Q-2 Redraw the circuit of Q 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?

In text Q & Answers of page 213 Q-2

=In text Q & Answers of page 216 Q-1 Judge the equivalent resistance when the following are connected in parallel − (a) 1 Ω and 106Ω, (b) 1 Ω and 103Ω and 106Ω.

In text Q & Answers of page 216 Q-1

=In text Q & Answers of page 216 Q-2 An electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source...?

In text Q & Answers of page 216 Q-2 An

=In text Q & Answers of page 216 Q-3 What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

In text Q & Answers of page 216 Q-3

=In text Q & Answers of page 216 Q-4 How can three resistors of resistances 2 Ω, 3 Ω and 6 Ω be connected to give a total resistance of (a) 4 Ω, (b) 1 Ω?

In text Q & Answers of page 216 Q-4 How

=In text Q & Answers of page 218 Q-1 Why does the cord of an electric heater not glow while the heating element does?

In text Q & Answers of page 218 Q-1 Why

=In text Q & Answers of page 218 Q-2 Compute the heat generated while transferring 96000 coulomb of charge in one hour through a potential difference of 50 V.

In text Q & Answers of page 218 Q-2

=In text Q & Answers of page 220 Q-1 What determines the rate at which energy is delivered by a current?

In text Q & Answers of page 220 Q-1

=In text Q & Answers of page 220 Q-2 An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h ?

In text Q & Answers of page 220 Q-2 An

=In text Q & Answers of page 200 Q-2 Define the unit of current.

In text Q & Answers of page 200 Q-2

=In text Q & Answers of page 209 Q-1 In text Question :- On what factors does the resistance of a conductor depend?

In text Q & Answers of page 209 Q-1
In

=In text Q & Answers of page 216 Q-5 What is (a) the highest, (b) the lowest total resistance that can be secured by combinations of four coils of resistance 4 Ω, 8 Ω, 12 Ω, 24 Ω? A

In text Q & Answers of page 216 Q-5

=In text Q & Answers of page 209 Q-5 Use the data in Table 12.2 to answer the following − Table 12.2 Electrical resistivity of some substances at 20°C (a) Which among iron and mercury is a better conductor? (b) Which material is the best conductor?

In text Q & Answers of page 209 Q-5

=In text Q & Answers of page 218 Q-3 An electric iron of resistance 20 Ω takes a current of 5 A. Calculate the heat developed in 30 s.

In text Q & Answers of page 218 Q-3 An

=In text Q & Answers of page 202 Q-3 How much energy is given to each coulomb of charge passing through a 6 V battery?

In text Q & Answers of page 202 Q-3 How

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