Power Dissipation in an LR Circuit
A series LR circuit consists of a 2.0 H inductor, a 40 Ω resistor, and a 12 V battery. The switch is closed at time t = 0. What is the power dissipated by the resistor at t = 0.1 s?
A
2.2 W
B
3.6 W
C
1.1 W
D
0.9 W
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