Question

When iron rod is magnetised by the flowing through its coil, the polarities of its different points will be

a.

Pole A is N-pole, B is S-pole and C is neutral

b.

A is N, B and C is S

c.

A is N, C is S

d.

A is S, C is neutral, B is N

Answer: (a).Pole A is N-pole, B is S-pole and C is neutral

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Q. When iron rod is magnetised by the flowing through its coil, the polarities of its different points will be

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