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

Electrical resistivity of a given metallic wire depends upon:

2 / 15

The instrument used for measuring electric current is:

3 / 15

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

4 / 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:

5 / 15

When electric current is passed, electrons move from:

6 / 15

True test of charge is

7 / 15

One horsepower (hp) is parallel to

8 / 15

Copper is not approved to make fuse wire because it:

9 / 15

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

10 / 15

S.I unit of resistivity

11 / 15

The rate at which electrical work is done or the rate at which electrical energy is consumed

12 / 15

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

13 / 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:

14 / 15

The maximum resistance which can be made using four resistors each of 2 Ohm

15 / 15

The device used to measure the internal resistance of a cell, to compare the e.m.f. of two cells and potential diference across a resistor

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