· A switch in the circuit in Figure below has been open for a long time. At 1= 0, the switch is closed. a. Determine id0) and iɖ(0). b. Determine idt) for 12 0. c. How many milliseconds after the switch has been closed will i, equal 100mA? 20Ω 10Ω t=0 30V 50mH 60 Ans: [a] id0)=0.5A, id(»)=0A; [b] id(t)=0.5e25"A; [c] t=6,44ms

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1. A switch in the circuit in Figure below has been open for a long time. At 1= 0, the switch is closed.
a. Determine i(0) and i(0).
b. Determine i(t) for 12 0.
c. How many milliseconds after the switch has been closed will io equal 100mA?
20Ω
10Ω
t=0
30V
50MH
50
Ans: [a] id0)=0.5A, id0)=0A; [b] id(t)=0.5e²50'A; [c] t=6.44ms
250t
Transcribed Image Text:1. A switch in the circuit in Figure below has been open for a long time. At 1= 0, the switch is closed. a. Determine i(0) and i(0). b. Determine i(t) for 12 0. c. How many milliseconds after the switch has been closed will io equal 100mA? 20Ω 10Ω t=0 30V 50MH 50 Ans: [a] id0)=0.5A, id0)=0A; [b] id(t)=0.5e²50'A; [c] t=6.44ms 250t
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