Xc=1/(2Pifc) 4 }9 a( \* z% |8 P0 fif f=0 Xc is infinite, so capacitor block DC.1 b |7 Z" A4 N. }' G, W" l
for AC, frequence is 60Hz(in north american), so Xc is a specific value. as a result , it can conduct AC.
$ k8 C3 \, C k7 ?* p3 f$ B( x 7 ]0 ^9 r: r9 j; G1 _I would like to ask a question, just for curiosity, if you do not mind.6 l. s5 W! F2 p- G& j
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Is that a real question during your interview for an electrician job?