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 instrument used for measuring electric current is:

2 / 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:

^{3}joule

^{5}joule

^{4}joule

^{2}joule

3 / 15

A boy records that 4000 joule of work is required to transfer 10 coulomb of charge between two points of a resistor of 50 Ω. The current passing through it is:

4 / 15

To get 2 Ω resistance using only 6 Ω resistors, the number of them required is

5 / 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

6 / 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:

7 / 15

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

8 / 15

One horsepower (hp) is parallel to

9 / 15

The formula which states the relation between potential diference, current and resistance

10 / 15

S.I unit of resistance

11 / 15

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

12 / 15

The equivalent resistance of a series combination of two resistances is X Ohm. If the resistance are of 10 Ohm and 40 Ohm respectively, the value of X will be:

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.

Your score is