The self induced e.m.f. in a 0.1 H coil when the current in it is changing
The self induced e.m.f. in a 0.1 H coil when the current in it is changing at the rate of 200 amp/sec is
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(a) 8×10⁻⁴ V (b) 8×10⁻⁵ V (c) 20 V (d) […]
DE2001
When a magnet is taken towards a coil, the induced e.m.f. depends on
When a magnet is taken towards a coil, the induced e.m.f. depends on
Options
(a) the number of turns in the coil (b) the speed of the magnet (c) the resistance of the coil […]