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Suppose the EMF of the battery, the circ...

Suppose the `EMF` of the battery, the circuit shown varies with time `t` so the current is given by `i(t)=3+5t`, where `i` is the amperes `& t` is in seconds.Take `R=4 Omega,L=6 H &` find an expression for the battery `EMF` as a funtion of time.

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The correct Answer is:
42+20 t volt
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