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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 21
6.
In a transistor leakage current mainly depends on
doping of base
size of emitter
rating of transistor
temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a CB amplifier the maximum efficiency could be
99%
85%
50%
25%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

Assertion (A): As per Miller theorem a capacitance C from input to output appears as a much larger capacitance across input terminals

Reason (R): In a lag network the output voltage appears across capacitor

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
When a transistor is connected in common emitter mode, it with have
negligible input resistance and high output resistance
high input resistance and low output resistance
medium input resistance and high output resistance
low input resistance as well as output resistance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In the equivalent circuit of figure voltage gain is
a
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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