Exam (elaborations)
ALTERNATING CURRENT REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ALTERNATING CURRENT REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ALTERNATING CURRENT REVIEWQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
An electric current always produces _____. - ANSWER a magnetic field
The number of cycles an alternating electric current undergoes per second is known as ____. - ANSWER
frequency
What is the peak voltage in a circuit with an rms voltage of 120VAC? - ANSWER 170 volts
What condition exists in a circuit of pure resistance? - ANSWER The voltage and current are in phase
In a purely resistive AC circuit where 240V is applied across a 10-ohm resistor, the amperage is ____. -
ANSWER 24A
When the current increases in an AC circuit, what role does inductance play? - ANSWER It reduces the
current
What factor will decrease the inductance of a coil? - ANSWER A longer core
What condition exists in a circuit of pure inductance? - ANSWER The voltage and current are 90 degrees
out of phase.
True or False? Reactance increases with an increase in inductance. - ANSWER True
Capacitance is measured in ____. - ANSWER farads
The total capacitance of two 15uF capacitors connected in parallel is ____. - ANSWER 30uF
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