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in the chapter AC current we have studied that Xc of capacitor is infinite foe capacitor. so, my queistion is that is the capacitor chapter ic wrong

in the chapter AC current we have studied that Xc of capacitor is infinite foe capacitor. so, my queistion is that is the capacitor chapter ic wrong 

Grade:12

1 Answers

Vikas TU
14149 Points
5 years ago
For Xc to be zero for the capaictor in AC circuit,
Xc = 1/(wC)
Xc = infinite
 
w tends to zero whic cannot be possible as the AC circuit would work on some frequency by changing the positive and negative cycles.
Hence it can never be infinite. 

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