Multiple Choice
A 25-mH inductor is connected in series with a 20-Ω resistor through a 15-V dc power supply and a switch. If the switch is closed at t = 0 s, what is the current when t = 2.0 ms?
A) 0.40 A
B) 0.50 A
C) 0.60 A
D) 0.70 A
E) 0.80 A
Correct Answer:

Verified
Correct Answer:
Verified
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