Electricity Quiz — 7 Free Questions

Question 1

What should the resistance of an ideal ammeter be?

Question 2

If a copper wire is replaced by an iron wire of the exact same length and thickness, will its resistance change?

Question 3

What does the slope of the V versus I graph, for an ohmic conductor, actually represent?

Question 4

What symbol is used for the unit of resistance, the ohm?

Question 5

If a bulb is rated "100 W, 220 V," what does the number 100 W actually tell us?

Question 6

Which of these correctly describes resistors connected in series?

Question 7

Which instrument is used to measure electric current in a circuit?

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About Electricity

This quiz covers Chapter 3 of CBSE Class 10 Physics, Electricity.

It opens with electric current and circuits, and electric potential difference, along with the ammeter and voltmeter used to measure them. It then covers circuit diagrams and symbols, and Ohm's Law, the basic rule linking current, potential difference, and resistance.

The quiz then moves to the factors that affect a conductor's resistance, including length, area, material, and temperature, before covering how resistors behave when connected in series and in parallel.

It closes with the heating effect of electric current, including the electric fuse, and electric power, including the commercial unit used on electricity bills.

Every question comes with a clear, simple explanation, so incorrect answers become as instructive as correct ones, whether you are revising for a school test or a board exam.