Energy Engineering Question:
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A 220 resistor dissipates 3 W. The voltage is

A. 73.3 V
B. 2.5 V
C. 25.7 V
D. 257 V

Option C

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For 12 V and 40 mA, the power is A. 480 mW B. 0.480 W C. 480,000 µW D. all of the above	A 3.3 k resistor dissipates 0.25 W. The current is A. 8.7 mA B. 87 mA C. 8.7 µA D. 8.7 A