Multistage Transistor Amplifiers - EEE Questions and Answers

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Transformer coupling is generally employed when load resistance is

Large

Very large

Small

None of the above

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The purpose of RC or transformer coupling is to ___________

Block a.c.

Separate bias of one stage from another

Increase thermal stability

None of the above

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The frequency response of transformer coupling is ___________

Good

Very good

Excellent

Poor

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In transistor amplifiers, we use ___________ transformer for impedance matching

Step up

Step down

Same turn ratio

None of the above

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The total gain of a multistage amplifier is less than the product of the gains of individual stages due to ___________

Power loss in the coupling device

Loading effect of the next stage

The use of many transistors

The use of many capacitors

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In practice, voltage gain is expressed ___________

In db

In volts

As a number

None of the above