ALTERNATING CURRENT REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

ALTERNATING CURRENT REVIEW
QUESTIONS 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