H2P-373
Mean power in a.c. circuits
H2 Physics · JC 2 · Medium · Mean power in a.c. circuits
An alternating current in a 120 Ω resistor is given by , with in A and in s. Using the definition of mean power in a resistor, calculate the mean power dissipated.
- 4.7 × 10² W
- 2.8 × 10² W
- 5.6 × 10² W
- 8.0 × 10¹ W
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