Transistors

11. The leakage current in CE arrangement is ___________ that in CB arrangement

more than
less than
the same as
none of the above

Detailed SolutionThe leakage current in CE arrangement is ___________ that in CB arrangement

12. If the temperature increases, the value of VCE ___________

Remains the same
Is increased
Is decreased
None of the above

Detailed SolutionIf the temperature increases, the value of VCE ___________

13. The output impedance of a transistor is ___________

high
zero
low
very low

Detailed SolutionThe output impedance of a transistor is ___________

14. The input impedance of a transistor is ___________

high
low
very high
almost zero

Detailed SolutionThe input impedance of a transistor is ___________

15. The voltage gain of a transistor connected in common collector arrangement is ___________

equal to 1
more than 10
more than 100
less than 1

Detailed SolutionThe voltage gain of a transistor connected in common collector arrangement is ___________

16. For faithful amplification by a transistor circuit, the value of VBE should ___________ for a silicon transistor

Be zero
Be 0.01 V
Not fall below 0.7 V
Be between 0 V and 0.1 V

Detailed SolutionFor faithful amplification by a transistor circuit, the value of VBE should ___________ for a silicon transistor

17. $${{\text{I}}_{\text{C}}} = \beta \,{{\text{I}}_{\text{B}}}\, + \,……..$$

$${{ ext{I}}_{{ ext{CBO}}}}$$
$${{ ext{I}}_{ ext{C}}}$$
$${{ ext{I}}_{{ ext{CEO}}}}$$
$$lpha {{ ext{I}}_{ ext{E}}}$$

Detailed Solution$${{\text{I}}_{\text{C}}} = \beta \,{{\text{I}}_{\text{B}}}\, + \,……..$$

18. If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ___________

6 mA
2 mA
3 mA
1 mA

Detailed SolutionIf the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to ___________

19. In a tansistor, IC = 100 mA and IE = 100.2 m

The value of ß is ___________ A. 100
50
about 1
200

Detailed SolutionIn a tansistor, IC = 100 mA and IE = 100.2 m

20. The input impedance of a transistor connected in ___________ arrangement is the highest

common emitter
common collector
common base
none of the above

Detailed SolutionThe input impedance of a transistor connected in ___________ arrangement is the highest

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