Electric Circuits Post Test questions with verified detailed answers
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Which item(s) would be sufficient to make a circuit? - ✔✔C.
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conductor and battery || ||
How much power is produced by a flashlight that has a voltage of 12 volts and a current of 6.5
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× 10-2 amps? - ✔✔A.
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0.78 watts ||
To which is the watt is equal? - ✔✔A.
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joules/second
Fuel cells have been developed that can generate a large amount of energy. For example, a
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hydrogen fuel cell works by combining hydrogen and oxygen gas to produce water and
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electrical energy. If a fuel cell can generate 10.0 kilowatts of power and the current is 15.8
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amps, what is the voltage of the electricity? - ✔✔C.
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633 volts ||
Which statement is true regarding DC current? - ✔✔B.
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There can only be one voltage supplied.
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Which device uses AC current to operate? - ✔✔B.
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desktop computer ||
Which type of motor is shown below? - ✔✔A.
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AC motor ||
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Which item(s) would be sufficient to make a circuit? - ✔✔C.
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conductor and battery || ||
How much power is produced by a flashlight that has a voltage of 12 volts and a current of 6.5
|| || || || || || || || || || || || || || || || || || || ||
× 10-2 amps? - ✔✔A.
|| || || || ||
0.78 watts ||
To which is the watt is equal? - ✔✔A.
|| || || || || || || || ||
joules/second
Fuel cells have been developed that can generate a large amount of energy. For example, a
|| || || || || || || || || || || || || || || ||
hydrogen fuel cell works by combining hydrogen and oxygen gas to produce water and
|| || || || || || || || || || || || || ||
electrical energy. If a fuel cell can generate 10.0 kilowatts of power and the current is 15.8
|| || || || || || || || || || || || || || || || ||
amps, what is the voltage of the electricity? - ✔✔C.
|| || || || || || || || || ||
633 volts ||
Which statement is true regarding DC current? - ✔✔B.
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There can only be one voltage supplied.
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Which device uses AC current to operate? - ✔✔B.
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desktop computer ||
Which type of motor is shown below? - ✔✔A.
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AC motor ||
