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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 8
46.
The ripple factor of a power supply is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
In a P-N-P junction transistor as compared to base region is more heavily doped so that
leakage current is minimized
recombination will be increased in the base region
the flow across the base regional is only because of electrons
the flow across the base region is mainly because of holes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
In every practical oscillator the loop gain is slightly more than unit and amplitude of oscillations is limited by
magnitude of loop gain
onset of non-linearity
magnitude of gain
β
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Which of the following is not valid in case of FETs?
It has low voltage gain
It has high input impedance
It has fast switching time
It is voltage controlled device
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. The common base short circuit current gain a for the transistor is
0.99
1.01
1.001
0.990
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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