APFIVE Power Dissipation in an LR Circuit
A series LR circuit contains a 2.0 H inductor, a 40 Ω resistor, and a 12 V battery. The switch connecting the battery is closed at t = 0. What is the rate at which energy is being dissipated in the resistor at t = 0.1 seconds?
A
1.1 W
B
3.6 W
C
0.9 W
D
2.2 W
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