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If the current amplification factor for a transistor connected in common emitter configuration is 100 and input resistance is `200 Omega`, then the power gain is (Assume output resistance is `0.8 kOmega`)

A

`4xx10^(4)`

B

`5xx10^(3)`

C

`7xx10^(3)`

D

`45xx10^(4)`

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The correct Answer is:
A
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -B (Objective type question (one option is correct))
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  2. In a common emitter amplifier , when a signal of 40 mV is added to the...

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  5. The relationship between alpha and beta is given by

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  6. Two identical p-n junctions may be connected in series in which a batt...

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  7. In a silicon transistor, a change of 7.89 mA in the emitter current pr...

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  8. In a doped semiconductor, the impurity level is 40 meV above the valen...

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  9. In the diagram, the input is across the terminals A and C and the outp...

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  10. In the given figure, a transistor is connected in common emitter confi...

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  11. A transistor is used in Common-emitter mode in an amplifier circuits. ...

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  12. In the given circuit, calculate the ratio of currents through the batt...

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  13. In a transistor the current amplification alpha is '0.9', when connect...

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  14. A transistor is connected in common base configuration, the collector ...

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  15. In the given circuit , the voltage across the base emitter junction is

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  16. If the current amplification factor for a transistor connected in comm...

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  17. In doped semiconductor one dopent atom is kept typically for how many ...

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  18. In a p-n junction diode the value of drift current through depletion r...

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  19. In the Boolean algebra bar(A).bar(B) equals

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  20. In the adder circuits of two inputs

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