Electricity II - SS3 Physics Past Questions and Answers - page 1
In a series circuit with three resistors, the current flowing through each resistor is:
the same
different
cannot be determined
none of the above
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In a parallel circuit with two resistors, the voltage across each resistor is:
the same
different
cannot be determined
none of the above
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What is the total resistance of two 4-ohm resistors in parallel?
2 ohms
4 ohms
8 ohms
16 ohms
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In a capacitor, the quantity that represents its ability to store charge is:
resistance
capacitance
inductance
impedance
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A capacitor in a circuit with an AC voltage will:
block DC voltage and pass AC voltage
block AC voltage and pass DC voltage
pass both AC and DC voltage
block both AC and DC voltage
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What is the main difference between series and parallel circuits?
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What is the purpose of a capacitor in a circuit?
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Which of the following is the most common cause of electrical injuries?
Electrical shock
Burns
Fires
Explosions
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What is the most important factor in preventing electrical hazards in the workplace?
Proper electrical equipment maintenance
Use of personal protective equipment (PPE)
Regular safety training for workers
All of the above
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Which of the following types of electrical burns is caused by the heat generated by electrical current passing through the body?
Arc burns
Thermal contact burns
Electrical contact burns
Chemical burns
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