20 30 62 4 mH 3ti v 3 20 12 V In the circuit below, the switch was opened at t=0 after being closed for a long time. What is the time constant of the circuit for t>0? O a) 0.5ms OB) 2 ms OC) 1.5ms OD) 2.5ms O TO) 1 ms

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t= 0
2Ω
30
4 mH
v $20
12 V
4 -
In the circuit below, the switch was opened at t=0 after being closed for a long time. What is the time constant of the circuit for t>0?
O a) 0.5ms
OB) 2 ms
OC) 1.5ms
OD) 2.5ms
O TO) 1 ms
Transcribed Image Text:t= 0 2Ω 30 4 mH v $20 12 V 4 - In the circuit below, the switch was opened at t=0 after being closed for a long time. What is the time constant of the circuit for t>0? O a) 0.5ms OB) 2 ms OC) 1.5ms OD) 2.5ms O TO) 1 ms
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