Alternating Current
Review Questions &
ANSWERS|| 2024
LATESST UPDATE||
RATED A
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
Review Questions &
ANSWERS|| 2024
LATESST UPDATE||
RATED A
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
