Science : Ch 12 – Electricity

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Science : Ch 12 – Electricity

This test is designed based on NCERT Syllabus for Class 10 Topics : Electricity

  • Each time random 15 questions will be displaced
  • So retake the quiz till you have mastered all the questions

1 / 15

At the time of short circuit, the electric current in the circuit:

2 / 15

Electrical resistivity of a given metallic wire depends upon:

3 / 15

The instrument used for measuring electric current is:

4 / 15

Two resistors are connected in series gives an equivalent resistance of 10 Ω. When connected in parallel, gives 2.4 Ω. Then the individual resistance are

5 / 15

A fuse wire frequently gets burnt when used with a good heater. It is advised to use a fuse wire of

6 / 15

True test of charge is

7 / 15

The commercial unit of electric energy is

8 / 15

The property of a conductor to oppose the flow of charges through it.

9 / 15

S.I unit of resistance

10 / 15

Joule’s law of heating implies that heat produced in a resistor is directly proportional to the square of

11 / 15

At the time of short circuit, the electric current in the circuit

12 / 15

When a 4 V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. The value of the resistance of the resister is

13 / 15

The unit of electric power may also be expressed as

14 / 15

The instrument used for measuring electric current is

15 / 15

The device used for detecting and indicating an electric current.

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