Energy Engineering Question: Download Energy Engineering PDF

When the current through a 12 k resistor is 8 mA, the power is

A. 7.68 mW
B. 768 mW
C. 7.68 W
D. 76.8 W

Option B

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A 75 load uses 2 W of power. The output voltage of the power supply is approximately A. 120 V B. 1.2 V C. 12 V D. 6 V	A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is A. 132 mW B. 13.2 mW C. 22.6 mW D. 226 mW