Referring to the circuit shown in Fig. 2, switch A has been open and switch B has been closed for a long time. Switch A closes at t = 0 and then switch B opens at 1= 3 s. a) Find i, (1) for t≥ 0. b) Find the percentage of the initial stored energy remaining in the inductor at time t = 3.4 s. 30 V 6Ω 12Ω A t=3s B xt=0 Fig. 2 `iz(t) 6.4 H 162
Referring to the circuit shown in Fig. 2, switch A has been open and switch B has been closed for a long time. Switch A closes at t = 0 and then switch B opens at 1= 3 s. a) Find i, (1) for t≥ 0. b) Find the percentage of the initial stored energy remaining in the inductor at time t = 3.4 s. 30 V 6Ω 12Ω A t=3s B xt=0 Fig. 2 `iz(t) 6.4 H 162
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Referring to.the circuit shown in Fig. 2, Switch A has been open and Switch B has been closed for a long time. Switch A closes at t = 0 sec. and then Switch B opens at t = 3 sec.
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Step 1: State the given data
VIEWStep 2: a) Finding the initial energy in the inductor i.e at t=0-.
VIEWStep 3: Finding the expression of i_L(t) for 0<=t<3s,
VIEWStep 4: Finding the expression of i_L(t) for t>3s,
VIEWStep 5: b) Finding the percentage of the initial stored energy remaining in the inductor at t=3.4 s.
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