Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 2 (Q.No. 45)
45.
For high frequencies a capacitor like
an open circuit
a short circuit
either open circuit or short circuit
none of the above
Answer: Option
Explanation:

. If w is very high, XC, is nearly zero.

Discussion:
1 comments Page 1 of 1.

Benjie said:   6 years ago
If a capacitor is 0 means fully discharge, no voltage drop, only current, so it is short circuit.

If the capacitor is high or infinity means fully charged, with voltage drop and no current can pass therefore it is open.

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