Exam (elaborations)
NCCER Electrical module 3 (intro to electrical circuits)
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NCCER Electrical module 3 (intro to electrical circuits)
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NCCER ELECTRICAL MODULE 3 (INTROTO ELECTRICAL CIRCUITS 100%
SOLVED QUESTIONS AND ANSWERS
a ncircuit nhas na nsource nvoltage nof n50v nand na ncurrent nof n10A, nwhat nis nthe npower nin nwatts? n- n500w
voltage nis ndefined nas nthe? n- ndriving nforce nthat nmakes ncurrent nflow nin na ncircuit
if na ncurcuit nhas n12 namps nof ncurrent nand nthe nresistance nis n20 nohms, nthe napplied nvoltage nis? n- n240
nvolts
if ntwo n10 nohm nresistors nare nconnected nin nseries, nwhat nis nthe ntotal nresistance nof nthe nresistors? n-
n20 nohms
to nmake nsure nthe nvoltage nis nturned noff nbefore ntouching nany nterminals, nuse na? n- nvoltage ntester
how nmany namos nare nthere nin nthe ncurrent nof na ncircuit nif nthe nvoltage nsource nis n140v nand nthe
nresistance nis n2 nomhs n- n70
materials nwith nelectrical ncharacteristics nthat nfall nbetween nthose nof ninsulators nand nconductors nare
nconsidered? n- nsemiconductors
what nis nthe napplied nvoltage nif nthe ncurrent nin na ncircuit nis n60 namps nand nthe nresistance nis n10 nohms n-
n600 nvolts
which nof nthe nfollowing nis nused nto nstep nvoltage ndown nto nlower nlevels nbefore nit nreaches na nhome nor
noffice? n- ntransformers
a n5ohm nand n20 nohm nresistor nare nconnected nin nparallel, nwhat nis nthe ntotal nresistance nof nthese ntwo
nresitors? n- n4 nohms
if nthe nresitors nof na ncircuit nis n20 nohms nand nthe ncurrent nis n10 namps, nthe npower nin nwatts nis? n- n2500
nwatts
if na ncircuit nhas n48 namps nof ncurrent nand napplied nvoltage nof n240 nvolts, nthe nresistance nis? n- n50 nohms
you nwould nmeasure nresistance nwith na? n- nohm nmeter
which nof nthe nfollowing nsubstances nis nconsidered na ngood nsemiconductor. n- nsilicon
in na nparallel ncircuit, nthe nvoltage ndrop? n- nis nthe nsame nacross nall nloads
an nelectronic nrepels? n- nother nelectrons
electric ncharge nis nmeasured nin? n- nCoulombs
a nmil nis nequal nto? n- n0.001 ninch
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