The magnetic flux ‘f’ linked with a coil at any time ‘t’ is given by an equationf = 10t2 – 3t + c. If the flux is changing, the induced e.m.f across the coil at t = 0.5
is
(A) uncertain as c is not know (B) 10 volt
(C) 3 volt (D) 7 volt
please please give me correct answer
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