# Class 10 NCERT Solutions Electricity

Class 10 NCERT Solutions Electricity- NCERT Solutions prepared for CBSE students by the best teachers in Delhi.

Class X Chapter 12 – Electricity Science

Question 1: What does an electric circuit mean?

Answer: An electric circuit consists of electric devices, switching devices, source of electricity, etc. that are connected by conducting wires.

Question 2: Define the unit of current.

Answer: The unit of electric current is ampere (A). 1 A is defined as the flow of 1 C of charge through a wire in 1 s.

Question 3: Calculate the number of electrons constituting one coulomb of charge.

Question 4: Name a device that helps to maintain a potential difference across a conductor.

Question 5: What is meant by saying that the potential difference between two points is 1 V?

Question 6: How much energy is given to each coulomb of charge passing through a 6 V battery?

Question 7: On what factors does the resistance of a conductor depend?

Question 8: Will current flow more easily through a thick wire or a thin wire of the same material, when connected to the same source? Why?

Question 9:Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal?

Question 10: Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 G resistor, an 8 G resistor, and a 12 G resistor, and a plug key, all connected in series.

Question 11: Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure potential difference across the 12 G resistor. What would be the readings in the ammeter and the voltmeter?

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