An electromagnet is positioned close to a coil of wire.
The electromagnet is switched on, remains on for a short time, and is then switched off.
Three statements about the pointer on the galvanometer during this sequence are given.
1 The pointer kicks to one side as the electromagnet is switched on.
2 The pointer records a steady non-zero value while the electromagnet remains switched on.
3 The pointer kicks to the other side as the electromagnet is switched off.
Which statements are correct?
1 )
1 and 2 only
1 and 3 only
3 )
2 and 3 only
4 )
1, 2 and 3
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