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NCCER Alternating Current 26201-14 Questions with Correct Answers Updated & Verified.
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NCCER Alternating Current 26201-14 Questions with Correct Answers Updated & Verified.
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NCCER Alternating Current 26201-14Questions with Correct Answers
Updated & Verified
1. bThe bstep bdown bturns bratio bof ba btransformer bwith b200 bTurns bin bthe bprimary
band b100 bturns bin bthe bsecondary bis b? b- bANS-2:1
2. bOpening bthe bsecondary bof ba bCT bunder bload bwill bcause ba bdangerous blevel bof b?
b- bANS-Induce bhigh bvoltage
3. bwhat bis bthe bhertz brating bof ban bAC bcircuit bis b? bIf bthe bfrequency bis b20 bcycles
bper b1/2 bseconds b? b- bANS-40Hz
4. bGiven: bA bcircuit bhas ban bRMS bvoltage bof b120VAC. bwhat bis bthe bpeak-to-peak
bvoltage? b- bANS-340V
5. bA bcircuit bhas ba bpeak bvoltage bof b275V. bWhat bis bthe baverage bvoltage bvalue? b-
bANS-175V
6. beach bof bthree bequal bcapacitors bin bseries bhas b_____. b- bANS-one-third bthe
bapplied bvoltage
7. bThe bformula bfor binductive breactance bis b? b- bANS-XL=2mfl
8. bGiven: bAn bAC bcircuit bcontaining bresistance bonly. bwhat bis bthe bcurrent bflow bif
bthe bresistance bis b15 bohms bvoltage bis b150 b- bANS-10A
9. bthe bcurrent bin ban binductive bcurrent b- bANS-(C) blags bthe bvoltage
10. bunless botherwise bnoted, bthe bcalculations bin bAC bcircuits buse. b- bANS-(D) brms
bvalues
11. bwhen bfrequency bdecreases, bcapacitive breactance b_____. b- bANS-(A) bincreases
12. bwhich bof bthe bfollowing bis btrue bcurrents band ba bcapacitive bcircuit? b- bANS-(A) bit
bleads bthe bvoltage
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