Exercise: Energy And Power

Questions for: Energy And Power

A battery is one type of power supply that converts chemical energy into electrical energy.
A:
True
B:
False
C:
D:
Answer: A
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Energy equals power multiplied by time.
A:
True
B:
False
C:
D:
Answer: A
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A resistor normally opens when it burns out.
A:
True
B:
False
C:
D:
Answer: A
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The watt is the unit of power.
A:
True
B:
False
C:
D:
Answer: A
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Watt's law states the relationships of power to energy.
A:
True
B:
False
C:
D:
Answer: B
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