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Transistor Biasing MCQs
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Transistor Biasing MCQs
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25 Questions

1. If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ...........
2. In a transistor amplifier circuit VCE = VCB + .................
3. For proper operation of the transistor, its collector should have ............
4. The value of stability factor for a base resistor bias is ............
5. The zero signal IC is generally .................. mA in the initial stages of a transistor amplifier
6. In the design of a biasing circuit, the value of collector load RC is determined by ............
7. If the temperature increases, the value of VCE ............
8. In a base resistor method, if the value of β changes by 50, then collector current will change by a factor .........
9. The disadvantage of base resistor method of transistor biasing is that it ............
10. In voltage divider bias, VCC = 25 V; R1 = 10 kΩ; R2 = 2.2 V ; RC = 3.6 V and RE =1 kΩ. What is the emitter voltage?
11. If biasing is not done in an amplifier circuit, it results in ...............
12. Transistor biasing is done to keep ............ in the circuit
13. For faithful amplification by a transistor circuit, the value of VCE should ........... for silicon transistor
14. For germanium transistor amplifier, VCE should .............. for faithful amplification
15. The purpose of resistance in the emitter circuit of a transistor amplifier is to .............
16. The leakage current in a silicon transistor is about ............ the leakage current in a germanium transistor
17. When the temperature changes, the operating point is shifted due to .......
18. Transistor biasing represents ................ conditions
19. The base resistor method is generally used in .........
20. In voltage divider bias, operating point is 3 V, 2 mA. If VCC = 9 V, RC = 2.2 kΩ, what is the value of RE ?
21. If the value of collector current IC increases, then the value of VCE ............
22. Thermal runaway occurs when ..........
23. Transistor biasing is generally provided by a ................
24. For faithful amplification by a transistor circuit, the value of VBE should .......... for a silicon transistor
25. In a particular biasing circuit, the value of RE is about .........

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