H2P-371
Mean power in a.c. circuits
H2 Physics · JC 2 · Medium · Mean power in a.c. circuits
A 560 Ω resistor is connected to an a.c. supply that provides a sinusoidal current with peak value 2.0 A. What is the mean power dissipated in the resistor?
- 1.1 × 10³ W
- 2.2 × 10³ W
- 5.6 × 10² W
- 8.0 × 10² W
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