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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 11
46.
Examine the circuit of figure and the following statements
  1. Vs is more than the zener breakdown voltage.
  2. IL = I1 - I2.
  3. Rs is less than zener nominal resistance.
Which of the above statements are correct?
1, 2, 3
1, 2
1 only
2 and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The approximate value of input impedance of CE amplifier with emitter resistance RE is given by
hie + Ai RE
hie + (1 + hfe) RE
hie
(1 + hfe) RE
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The advantage of using crystal oscillator is that it
requires low d.c. supply voltage
works at high frequency
gives high output voltage
gives constant frequency of oscillations
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
A transistor will operate in inverted region when
emitter junction is forward biased and collector junction is reverse biased
emitter junction is reverse biased and collector junction is forward biased
emitter junction as well as collector junction are forward biased
emitter junction as well as collector junction are reverse biased
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Cross-over distortion behaviour is a characteristic of
class A output stage
class B output stage
class AB output stage
common base output stage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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