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"The purpose of using pre - amplifier before power amplifier in a stereo system is to", gain Multiple Choice Questions (MCQs) with choices avoid distortion, avoid hums on output, both, and no particular reason to study online certification courses.
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MCQ: The purpose of using pre - amplifier before power amplifier in a stereo system is to
- Avoid hums on output
- Avoid distortion
- Both
- No particular reason
C
MCQ: For non - periodic signals, the spectrum consists of
- discrete frequencies
- Continuous frequencies
- both A and B
- none of above
B
MCQ: A common terminal exists between the input and output ports of the amplifier called
- Amplification node
- circuit ground
- terminal
- supply
B
MCQ: Why 4 models of amplifiers are deviced?
- No particular reason
- Ease of modelling a system
- To calculate accurate results
- none of above
B
MCQ: LA of a circuit represents
- DC quantity
- AC quantity
- instantaneous quantities
- none of above
A