Physics · Alternating Current
If an AC electric current i = I m sin(ωt) flows through a resistor R, the average power loss over a complete cycle will be:
- 12 × I m 2 × R
- 2I m 2 × R
- 3I m 2 × R 2✓
- 4Zero
Correct answer
I m 2 × R 2
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