The flux linked with circuit is given by $\ \phi = t^{3} + 3t - 7.$ The graph between time $(x - axis)$ and induced emf $(y - axis)$ will be a

Question

Dr. Abubacker · Accepted Answer

(d) $\phi = t^{2} + 3t - 7$
$	herefore$ Induced emf
$e = - \frac{d\phi}{dt} = - \left( 3t^{2} + 3 ight) = - 3t^{2} - 3$
At $\ \ \ \ \ \ \ \ \ t = 0;\ \ \ \ \ e = - 3\ V$
Therefore, shape of graph will be a parabola not through origin.

Q. The flux linked with circuit is given by $\ \phi = t^{3} + 3t - 7.$ The graph between time $(x - axis)$ and induced emf $(y - axis)$ will be a

Explanation

Reviewed by Dr. Abubacker

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