Comprehensive Viva Questions On ECA
1.
Resistance
and Capacitors are used as a coupling components
2.
Transistor
circuits may consist of Different Biasing techniques
3.
Current
Gain may be defined as the ratio of input
to output currents
4.
In
Darlington connection the leakage current of first transistor is Amplified by
the second transistor
5.
For A.C
signal the capacitor acts as a short circuit in Boot Strap Emitter Follower
6.
Band
Width of the amplifier is defined as the difference between the Higher
and Lower frequencies
7.
The Octaves
and Decades are the measure in frequencies
8.
The
input-output characteristics of an amplifier are Non-Linear
9.
In
Trade-Off the higher VRD limits the Maximum Voltage Swing
10. When part of output and input signal
are out of phase the feedback is called Negative Feedback
11.
The
Transfer Gain of the amplifier is not constant
12. A device which works on the principle
of positive feedback is called an Oscillator
13. The oscillators are classified based on
the nature of Output Voltage
14. The circuit using elements L and C is
called Tank Circuit
15.
The
changes in the load connected, affect the effective resistance of the
Tank Circuit
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