The magnetic flux (in Wb) through a coil of one turn is given by

PHYSICS · Multi-part · CBSE · Physics · Electromagnetic Induction · Electromagnetic Induction

Problem

\Phi(t)=4t^{2}-t

, where

t

is in seconds. (i) Find the instantaneous induced emf at

t = 2\,\text{s}

. (ii) Determine the average induced emf in the interval from

t = 1\,\text{s}

t = 3\,\text{s}