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At t=0 switch is closed (shown in figure...

At `t=0` switch is closed (shown in figure) after a long time suddenly the inductance of the inductor is made `eta` times lesser `(L/eta)` then its initial value find out instant current just after the operation.

Text Solution

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Using above result (note 4)
`L_(1)i_(1)=L_(2)i_(2)impliesi_(2)=(eta epsi)/( R)`
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