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12 Magnetism and the motor effect

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Question 27
F

An iron rod and a steel rod are magnetised. The table shows how many identical small pins each supports.

RodWith magnetising field presentAfter magnetising field is removed
P121
Q98

Which conclusion best fits the results?

[1]
A

P is steel; Q is better for a permanent magnetic catch.

B

P is iron; P is better for a permanent magnetic catch.

C

P is iron; Q is better for a permanent magnetic catch.

D

P is steel; P is better for a permanent magnetic catch.

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12 Magnetism and the motor effect Questions

  1. GCSE
  2. /Physics
  3. /12 Magnetism and the motor effect

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