H2P-362
Mean power in a.c. circuits
H2 Physics · JC 2 · Easy · Mean power in a.c. circuits
A 50 Ω resistor is connected across the secondary coil of an ideal transformer. The r.m.s. output voltage is 100 V. What is the mean power dissipated in the resistor?
- 200 W
- 100 W
- 50 W
- 400 W
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