Magnetism 1

Exercise – Magnetism (MCQs)

1. Iron, cobalt and nickel are

Magnets Magnetic substances Non-magnetic substances None of these

2. Rod X is a magnet, Y is magnetic and Z is non-magnetic. Which are attracted by a magnet?

Only X Both X and Y Only Y None

3. A freely suspended bar magnet always points in the

East–West direction North–South direction North–West direction South–East direction

4. A soft iron bar placed across magnet poles is called

Compass Magnetic keeper Magnetic pole Electromagnet

5. Which material combination is attracted by a magnet?

Iron, brass and copper Aluminium, copper and cobalt Iron, copper and nickel Nickel, brass and copper

6. The sure test of magnetism is

Attraction Repulsion Induction Alignment

7. Alnico is an alloy of

Iron, nickel and copper Aluminium, nickel and cobalt Iron, aluminium and zinc Copper, zinc and nickel

8. The property of a magnet used to find direction is

Attractive Directive Inductive Repulsive

9. Magnetic poles always exist in

Single form Pairs Groups Chains

10. Magnet produced using electricity is called

Permanent magnet Electromagnet Natural magnet Artificial magnet