why inductor allows d.c to pass but not a.c.?
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Higher the frequecy of the AC signal, higher is the resistance offered.
So an inductor blocks high frequecy AC signals.
##R = 2πfl
where f = frequecy of the signal
l = value of the inductor
For a DC signal,
DC signal does not vary its value as an AC signal does.
Therefore, frequency of a DC signal,
f = 0HZ
#The Inductor Blocks the AC Current but allows the DC current to pass though it
So an inductor blocks high frequecy AC signals.
##R = 2πfl
where f = frequecy of the signal
l = value of the inductor
For a DC signal,
DC signal does not vary its value as an AC signal does.
Therefore, frequency of a DC signal,
f = 0HZ
#The Inductor Blocks the AC Current but allows the DC current to pass though it
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