Magnetism Quiz
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5 questions, one answer each
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1. What happens when two north poles are brought close together?
- A. They attract
- B. They repel
- C. Nothing happens
- D. They cancel each other's field
2. Which of these best describes a permanent magnet?
- A. It only becomes magnetic in an external field
- B. It produces its own magnetic field all the time
- C. It loses its magnetism instantly when moved
- D. It has no magnetic poles
3. In which direction do magnetic field lines point outside a bar magnet?
- A. South to north
- B. North to south
- C. They form closed loops only inside the magnet
- D. They point randomly
4. What tool is used to map the shape and direction of a magnetic field?
- A. A voltmeter
- B. A plotting compass
- C. An ammeter
- D. A thermometer
5. Why is the behaviour of a magnetic compass considered evidence that the Earth's core is magnetic?
- A. Because compasses are made of iron
- B. Because a compass needle consistently aligns with a particular direction on Earth's surface, as it would near any magnet
- C. Because compasses only work near the equator
- D. Because the compass needle spins randomly