Energy Dissipation in an LR Circuit
An LR circuit with an inductance of L = 0.5 H and a resistance of R = 10 Ω carries a steady current of 2.0 A. If the source of emf is removed while the circuit remains closed, what is the total energy dissipated as heat by the resistor?
A
1.0 J
B
0.5 J
C
5.0 J
D
2.0 J
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