The flux through each turn of a 100-turn coil is (t 3 2t) mWb, where t
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The flux through each turn of a 100-turn coil is (t3 – 2t) mWb, where t is in seconds. The induced emf at t = 2 s is
(a) 1 V
(b) –1 V
(c) 4 mV
(d) 0.4 V
(e) –0.4 V
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