NCCER Alternating Current 26201-14 Exam Questions And Correct Answers
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Module
NCCER
Institution
NCCER
NCCER Alternating Current 26201-14 Exam
Questions And Correct Answers
1. The step down turns ratio of a transformer with 200 Turns in the primary and 100 turns in the
secondary is ? - answer2:1
2. Opening the secondary of a CT under load will cause a dangerous level of ? -
answerInduce high vo...
NCCER Alternating Current 26201-14 Exam
Questions And Correct Answers
1. The step down turns ratio of a transformer with 200 Turns in the primary and 100 turns in the
secondary is ? - answer✔✔2:1
2. Opening the secondary of a CT under load will cause a dangerous level of ? -
answer✔✔Induce high voltage
3. what is the hertz rating of an AC circuit is ? If the frequency is 20 cycles per 1/2 seconds ? -
answer✔✔40Hz
4. Given: A circuit has an RMS voltage of 120VAC. what is the peak-to-peak voltage? -
answer✔✔340V
5. A circuit has a peak voltage of 275V. What is the average voltage value? - answer✔✔175V
6. each of three equal capacitors in series has _____. - answer✔✔one-third the applied voltage
7. The formula for inductive reactance is ? - answer✔✔XL=2mfl
8. Given: An AC circuit containing resistance only. what is the current flow if the resistance is
15 ohms voltage is 150 - answer✔✔10A
9. the current in an inductive current - answer✔✔(C) lags the voltage
10. unless otherwise noted, the calculations in AC circuits use. - answer✔✔(D) rms values
11. when frequency decreases, capacitive reactance _____. - answer✔✔(A) increases
12. which of the following is true currents and a capacitive circuit? - answer✔✔(A) it leads the
voltage
13. in sine wave terminology, the average value is ______ ? - answer✔✔(A) .637 × peak value
14. In AC circuits containing only resistance ______. - answer✔✔(A) all DC rules and laws
apply, including Ohm's law
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