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Physics
Physics
Problem
A
20
Ω
20\,\Omega
20
Ω
resistor is connected once to a
12
V
12\,\text{V}
12
V
DC source and once to a
12
V
12\,\text{V}
12
V
(rms) AC source. In each case it is observed that the resistor becomes equally warm. Explain in one sentence why the rate of heating is the same in both cases.
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