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.
2. 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
Answer & Solution
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3. The base resistor method is generally used in ________________?
Amplifier circuits
Switching circuits
Rectifier circuits
None of the above
Answer & Solution
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4. In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor ___________________?
25
50
100
200
5. If the value of collector current IC increases, then the value of VCE ______________?
Remains the same
Decreases
Increases
None of the above
Answer & Solution
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6. In a particular biasing circuit, the value of RE is about _________________?
10 kO
1 MO
100 kO
800 O
7. The value of VBE ___________________?
Depends upon IC to moderate extent
Is almost independent of IC
Is strongly dependant on IC
None of the above
Answer & Solution
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8. 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
9. 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
Answer & Solution
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10. The stabilisation of operating point in potential divider method is provided by_______________?
RE consideration
RC consideration
VCC consideration
None of the above
Answer & Solution
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11. 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
Answer & Solution
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12. 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
Answer & Solution
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13. In a transistor amplifier circuit VCE = VCB +________________?
VBE
2VBE
5 VBE
None of the above
14. 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
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15. If the temperature increases, the value of VCE_________________?
Remains the same
Is increased
Is decreased
None of the above
Answer & Solution
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