Transistor Biasing Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “Transistor Biasing ”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Transistor Biasing comprehensively.

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The purpose of resistance in the emitter circuit of a transistor amplifier is to _________________?

Limit the maximum emitter current

Provide base-emitter bias

Limit the change in emitter current

None of the above

The base resistor method is generally used in ________________?

Amplifier circuits

Switching circuits

Rectifier circuits

None of the above

In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor ___________________?





If the value of collector current IC increases, then the value of VCE ______________?

Remains the same



None of the above

The value of VBE ___________________?

Depends upon IC to moderate extent

Is almost independent of IC

Is strongly dependant on IC

None of the above

A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?

105 kO

530 kO

315 kO

None of the above

When the temperature changes, the operating point is shifted due to _______________?

Change in ICBO

Change in VCC

Change in the values of circuit resistance

None of the above

The stabilisation of operating point in potential divider method is provided by_______________?

RE consideration

RC consideration

VCC consideration

None of the above

In the design of a biasing circuit, the value of collector load RC is determined by__________________?

VCE consideration

VBE consideration

IB consideration

None of the above

For germanium transistor amplifier, VCE should_______________for faithful amplification?

Be zero

Be 0.2 V

Not fall below 0.7 V

None of the above

The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?

The same as

More than

Less than

None of the above

If the temperature increases, the value of VCE_________________?

Remains the same

Is increased

Is decreased

None of the above

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