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

The values of mA and µA are:

2 / 15

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

3 / 15

A battery of 10 volt carries 20,000 C of charge through a resistance of 20 Ω. The work done in 10 seconds is:

4 / 15

Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is

5 / 15

The least resistance obtained by using 2 Ω, 4 Ω, 1 Ω and 100 Ω is:

6 / 15

The resistance of hot filament of the bulb is about 10 times the cold resistance. What will be the resistance of 100 W-220 V lamp, when not in use?

7 / 15

A cooler of 1500 W, 200 volt and a fan of 500 W, 200 volt are to be used from a household supply. The rating of fuse to be used is:

8 / 15

A student drives out an experiment and plots the V-I graph of three samples of nichrome wire with resistances R1 R2 and R3 respectively. Which of the following is huge?

9 / 15

True test of charge is

10 / 15

The condition for the credibility of Ohm’s law is that the

11 / 15

Copper is not approved to make fuse wire because it:

12 / 15

The electrical resistance of a conductor having cross-sectional area 1 m2 and length 1m

13 / 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

14 / 15

The unit of electric power may also be expressed as

15 / 15

An ideal ammeter is one which has

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