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Q#1 Transient Analysis GATE EC 2023 NAT +1 mark -0 marks

In the circuit shown below, switch S was closed for a long time. If the switch is opened at t=0, the maximum magnitude of the voltage  in volts, is ________ (rounded off to the nearest integer).         

Explanation:

At steady state inductance behaves as short circuit

At , the switch was closed, hence the circuit is in steady state.

 

At , the switch is open, hence the circuit becomes,

 

Magnitude of voltage  

 

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