A magnet, when moved near a coil, produces an induced current. Which of the following method(s) can be used to increase the magnitude of the induced current?
(i) Increasing the number of turns in the coil
(ii) Increasing the speed of the magnet
(iii) Increasing the resistivity of the wire of the coil
1
Only (i)
2
Only (iii)
3
Both (ii) and (iii)
4
Both (i) and (ii)