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CSEE (Form 4) Magnetism — practice questions

Explore 6 free Magnetism questions in CSEE (Form 4) Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Magnetism questions and exercises with answers

Showing questions 1–6 of 6.

The north pole of one magnet is brought close to the north pole of another. What happens?Read the answer and worked solution →A bar magnet is cut into several small pieces. Which poles does each small piece have?Read the answer and worked solution →Which statement is NOT a property of magnetic lines of force?Read the answer and worked solution →Magnetic lines of force are crowded most closely together where the field is:Read the answer and worked solution →Fault the false field-line claimsRead the answer and worked solution →Magnetism, true or falseRead the answer and worked solution →

Worked practice questions

The north pole of one magnet is brought close to the north pole of another. What happens?

  1. They pull each other closer
  2. They lose all magnetism
  3. They begin to spin fast
  4. They push each other away
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Correct answer: D. They push each other away

1. Every magnet carries a pair of opposite poles, one north and one south. 2. Like poles of magnets repel one another, so two north poles push apart. 3. Unlike poles attract, so a north pole and a south pole would pull together instead. _Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 15: Magnetism_

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A bar magnet is cut into several small pieces. Which poles does each small piece have?

  1. Only a single north pole
  2. Both a north and a south pole
  3. Only a single south pole
  4. No poles at all any more
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Correct answer: B. Both a north and a south pole

1. The magnetism of a bar magnet comes from domains inside it lining up in one direction. 2. Cutting the magnet does not undo that lining up, it only makes smaller magnets. 3. Even if the magnet is cut into tiny pieces, each piece will still have both a north and a south pole. 4. A single pole on its own is never found in nature, unlike a single electric charge. _Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 15: Magnetism_

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Which statement is NOT a property of magnetic lines of force?

  1. They are continuous and form closed loops
  2. They start at the North and end at the South Pole
  3. They pass through magnetic materials only
  4. They never cross or intersect one another
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Correct answer: C. They pass through magnetic materials only

1. Magnetic lines of force are continuous closed curves. 2. Outside the magnet they run from the North Pole to the South Pole. 3. They never intersect, because a single point cannot have two field directions. 4. They crowd together near the poles, which is where the field is strongest, and meet a magnetic surface at right angles. 5. But they pass through all materials, not magnetic ones alone — they run through air and through a vacuum — so that is the false statement. _Source: NECTA CSEE 2021 Physics 031, Question 1: Multiple Choice, item (iii)_

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