An electric current always produces ? - ANSWER A magnetic field
The number or 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 120 VAC ? - ANSWER 170 VAC
NCCER 26201-20
ALTERNATING
CURRENT 100%
ACCURATE
An electric current always produces ? - ANSWER A magnetic field
The number or 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 120 VAC ? - ANSWER 170 VAC
Wich of the following conditions exist 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
Which of the following coils is likely to show the lowest inductance? - ANSWER A coil with a narrow
coil
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