Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 21 (Q.No. 16)
16.
In deriving ac equivalent circuit for an amplifier circuit we short circuit
all resistors
all transistors
all inductors
all capacitors
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Phani said:   9 years ago
For AC voltages, capacitor reactance is low and dependence on frequency, it will vary.

But, mostly for AC analysis, we treat capacitor reactance is very less. So, the capacitor behaves as a short circuit.

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