Fig. 9.1 presents a permanent bar magnet positioned beside a circuit containing a coil and a galvanometer.
(a)[1]
Suggest one metal that the magnet could be made from.
(b(i))[2]
Explain why current is produced in the coil.
(b(ii))[2]
State the polarity of end Q and explain the reason for this polarity.
(c)[2]
Suggest two changes that would make the galvanometer deflect in the opposite direction.
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