Capacitor pass AC


Why does a capacitor block DC

External (to student) : "Why does a capacitor block DC but allow AC To pass through ?

Student: See, a capacitor is like this ---| |--- , OK. DC comes straight, like this ----------, and the capacitor stops it. But AC,goes UP, DOWN, UP DOWN and jumps right over the capacitor!" ------------------- good one : - )


Comments

Author: lkprabu05 Aug 2010 Member Level: Gold   Points : 0

good



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