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Electrical Engineering Mcqs

If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?

If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?

A. High
B. Very high
C. Moderate
D. Low

If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers

The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?

The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?

A. 1000
B. A million
C. 100
D. 10000

The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers

The purpose of a coupling capacitor in a transistor amplifier is to ___________________?

The purpose of a coupling capacitor in a transistor amplifier is to ___________________?

A. Increase the output impedance of transistor
B. Protect the transistor
C. Pass a.c. and block d.c.
D. Provide biasing

The purpose of a coupling capacitor in a transistor amplifier is to ___________________? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers

In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?

In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?

A. Thin base
B. Thin collector
C. Wide emitter
D. None of the above

In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers

In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?

In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?

A. Short
B. Open
C. Partially short
D. None of the above

In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers

The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?

The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?

A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above

The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________? Read More »

Electrical Engineering Mcqs, Single Stage Transistor Amplifiers