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Multiple Choice
Consider the LR circuit shown below. Initially, both switches are open. Switch 1 is closed. a) What is the maximum current in the circuit after a long time? Then, S1 is opened and S2 is closed. b) What is the current in the circuit after 0.05s?
A
(a) imax=0.5 A;
(b) i (0.05s)=1.86×10−6 A
(b) i (0.05s)=1.86×10−6 A
B
(a) imax=2 A;
(b) i (0.05s)=7.45×10−6 A
(b) i (0.05s)=7.45×10−6 A
C
(a) imax=0.5 A;
(b) i (0.05s)=0.14 A
(b) i (0.05s)=0.14 A
D
(a) imax=2 A;
(b) i (0.05s)=0.57 A
(b) i (0.05s)=0.57 A
E
(a) imax=0.5 A;
(b) i (0.05s)=0.46 A A
(b) i (0.05s)=0.46 A A
F
(a) imax=2 A;
(b) i (0.05s)=1.8 A
(b) i (0.05s)=1.8 A
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