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Energy and Power

Energy and Power
How much continuous current can be drawn from a 60 Ah battery for 14 h?

42.8 A
4.2 A
4.28 A
428 A

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Energy and Power
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?

252 kWh
535 kWh
1.286 kWh
12.85 kWh

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Energy and Power
A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is

13.2 mW
132 mW
226 mW
22.6 mW

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Energy and Power
A 33 half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat?

both resistors
33
330
neither resistor

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

7.68 mW
7.68 W
76.8 W
768 mW

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Energy and Power
How many watt-hours represent 65 W used for 18 h?

1,170 Wh
11,700 Wh
117,000 Wh
11.7 Wh

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MORE MCQ ON Energy and Power

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