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Energy And Power MCQ Questions & Answers | Electrical Engineering

Learn Energy And Power MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Energy And Power MCQ question is the important chapter for a Electrical Engineering and GATE students.

1
A 220 Ω resistor dissipates 3 W. The voltage is
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Answer: Option C
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2
If you used 400 W of power for 30 h, you have used
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Answer: Option D
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3
For 12 V and 40 mA, the power is
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Answer: Option D
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4
How many watt-hours represent 65 W used for 18 h?
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Answer: Option B
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5
Energy equals power multiplied by time.
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Answer: Option A
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6
Watt's law states the relationships of power to energy.
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Answer: Option B
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7
A 3.3 kΩ resistor dissipates 0.25 W. The current is
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Answer: Option A
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8
A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is
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Answer: Option D
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9
How much continuous current can be drawn from a 60 Ah battery for 14 h?
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Answer: Option C
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10
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?
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Answer: Option A
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