NCCER Alternating Current 26201-14 Questions with 100- Correct Answers Updated & Verified.

NCCER Alternating Current 26201-
14Questions with 100% Correct
Answers Updated & Verified



1. ‘The ‘step ‘down ‘turns ‘ratio ‘of ‘a ‘transformer ‘with ‘200 ‘Turns ‘in ‘the ‘primary ‘and ‘100 ‘turns ‘in ‘the
‘secondary ‘is ‘? ‘- ‘correct ‘Answers ‘✔✔ ‘-2:1


2. ‘Opening ‘the ‘secondary ‘of ‘a ‘CT ‘under ‘load ‘will ‘cause ‘a ‘dangerous ‘level ‘of ‘? ‘- ‘correct ‘Answers
‘✔✔ ‘-Induce ‘high ‘voltage


3. ‘what ‘is ‘the ‘hertz ‘rating ‘of ‘an ‘AC ‘circuit ‘is ‘? ‘If ‘the ‘frequency ‘is ‘20 ‘cycles ‘per ‘1/2 ‘seconds ‘? ‘-
‘correct ‘Answers ‘✔✔ ‘-40Hz


4. ‘Given: ‘A ‘circuit ‘has ‘an ‘RMS ‘voltage ‘of ‘120VAC. ‘what ‘is ‘the ‘peak-to-peak ‘voltage? ‘- ‘correct
‘Answers ‘✔✔ ‘-340V


5. ‘A ‘circuit ‘has ‘a ‘peak ‘voltage ‘of ‘275V. ‘What ‘is ‘the ‘average ‘voltage ‘value? ‘- ‘correct ‘Answers ‘✔✔ ‘-
175V

6. ‘each ‘of ‘three ‘equal ‘capacitors ‘in ‘series ‘has ‘_____. ‘- ‘correct ‘Answers ‘✔✔ ‘-one-third ‘the ‘applied
‘voltage


7. ‘The ‘formula ‘for ‘inductive ‘reactance ‘is ‘? ‘- ‘correct ‘Answers ‘✔✔ ‘-XL=2mfl

8. ‘Given: ‘An ‘AC ‘circuit ‘containing ‘resistance ‘only. ‘what ‘is ‘the ‘current ‘flow ‘if ‘the ‘resistance ‘is ‘15
‘ohms ‘voltage ‘is ‘150 ‘- ‘correct ‘Answers ‘✔✔ ‘-10A


9. ‘the ‘current ‘in ‘an ‘inductive ‘current ‘- ‘correct ‘Answers ‘✔✔ ‘-(C) ‘lags ‘the ‘voltage

10. ‘unless ‘otherwise ‘noted, ‘the ‘calculations ‘in ‘AC ‘circuits ‘use. ‘- ‘correct ‘Answers ‘✔✔ ‘-(D) ‘rms
‘values


11. ‘when ‘frequency ‘decreases, ‘capacitive ‘reactance ‘_____. ‘- ‘correct ‘Answers ‘✔✔ ‘-(A) ‘increases

12. ‘which ‘of ‘the ‘following ‘is ‘true ‘currents ‘and ‘a ‘capacitive ‘circuit? ‘- ‘correct ‘Answers ‘✔✔ ‘-(A) ‘it
‘leads ‘the ‘voltage