Question

In the circuit shown in Fig, switch k, is open and switch k, is closed at t = 0. At
time to switch is opened and switch k is simultaneously closed. The
variation of inductor current with time is
modoro
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Answer 1

ANSWER

from t=0 to t=t

0

,E=L

dt

dI

⇒dI=

L

E

dt⇒∫

0

I

t

0

dI=∫

0

t

0

L

E

dt⇒I

t

0

=

L

E

t

0

from t>t

0

, L

dt

dI

=0⇒I does not change.