Question

Magnetic flux Φ in weber in a closed circuit of resistance
10???? varies with time Φ (sec) as f = 6t² – 5t + 1. The magnitude
of induced current at t = 0.25s is
(a) 0.2 A (b) 0.6 A (c) 1.2 A (d) 0.8 A

Answer 1

(b) 0.6 A

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