Exam (elaborations)
NCCER 26201-20 ALTERNATING CURRENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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NCCER 26201-20 ALTERNATING CURRENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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NCCER 26201-20 ALTERNATINGCURRENT QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
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
Which of the following conditions exists in a circuit of pure inductance? - ANSWER The voltage and
current are 90 degrees out of phase
Reactance increases with an increase in? - ANSWER Inductance
Capacitance is measured in ? - ANSWER Farads
The total capacitance of two 15uf capacitors connected in parallel is? - ANSWER 30uf
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