Question 31 : Harmonic distortion is caused by nonlinearities of _________
1. Voltage divider circuit
2. Resistive elements only
3. Passive elements
4. Active elements
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Question 32 : The distortion caused by multiple frequencies in output is called _________
1. Amplifier distortion
2. Harmonic distortion
3. Phase distortion
4. None of the mentioned
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Question 33 : Phase distortion can also be called as _________
1. Frequency distortion
2. Amplitude distortion
3. Delay distortion
4. Harmonic distortion
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Question 34 : Frequency distortion occurs when _______ is varied with frequency.
1. Amplitude
2. Amplification
3. Distortion
4. Output
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Question 35 : Flat tops in the output signal is due to
1. Frequency distortion
2. Amplitude distortion
3. Phase distortion
4. Harmonic distortion
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Question 36 : Amplitude distortion is due to ___________
1. Shift in Q-point
2. Change in input
3. Linear amplification
4. Small input signal
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Question 37 : Which of the following is not a reason for distortion in amplifier output?
1. Incorrect biasing level
2. Sinusoidal input
3. Non- linear amplification
4. Large input signal
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Question 38 : The problem in which output signal is not an exact reproduction of output signal in amplifier is collectively called __________
1. Thermal runaway
2. Phase error
3. Distortion
4. Biasing error
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Question 39 : Which of the following amplifier is most suited for making tuning circuits?
1. Class A
2. Class B
3. Class C
4. Class D
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Question 40 : Which of the following class have a theoretical efficiency of 78.5%?
1. Class A
2. Class D
3. Class C
4. Class B
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