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4 marksPermanent Magnets

CSEC Physics · May/June 2005 · Paper 2 · Question 4(b)(i)

Two bar magnets are close to each other, and their magnetic fields interact. Sketch the field pattern for the TWO arrangements shown below.

Sketch the field pattern for the arrangement where the South pole of one magnet faces the North pole of another.

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Other parts of this question

  1. 4(a)Explain what is meant by the term 'magnetic field'.[2 marks]
  2. 4(b)(ii)Sketch the field pattern for the arrangement where the South pole of one magnet faces the South pole of another.[4 marks]
  3. 4(c)(i)Describe what would be observed on the galvanometer when the switch is closed.[2 marks]
  4. 4(c)(ii)Explain your answer.[3 marks]
  5. 4(c)(iii)Describe what would be observed on the galvanometer if the switch is subsequently opened.[2 marks]
  6. 4(c)(iv)Deduce what would be observed on the galvanometer if the battery were replaced by a low frequency a.c. supply.[1 mark]
  7. 4(c)(v)How would these observations be affected if the number of turns on the transformer secondary were significantly increased?[1 mark]

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