When iron rod is magnetised by the flowing through its coil, the polar – McqOptions

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1.	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» B. A is N, B and C is S

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