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A npn transistor conducts when...

A `npn` transistor conducts when

A

both collector and emitter are positive with restpect to the base

B

collector is positive and emitter is negative with respect to the base

C

collector is positive and emitter is at same potential as the base

D

both collector and emitter are negative with respect to the base

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  2. In the case of constant alpha and beta of a transistor

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  4. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

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  5. In an NPN transistor the collector current is 10 mA. If 90% of electro...

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  6. The transfer ration of a transistor is 50. The input resistance of th...

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  7. For a transistor the current amplification factor is 0.8. The transist...

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  8. In NPN transistor the collector current is 10mA. If 90% of electrons e...

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  9. In a transistor in CE configuration, the ratio of power gain to voltag...

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  10. The following truth table corresponds to the logic gate |(A,0,0,1,1)...

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  11. The truth table shown in figure is for {:("A 0 0 1 1"),...

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  12. For the given combination of gates, if the logic states of inputs A,B,...

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  13. The logic behind 'NOR' gate is that it gives

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  14. A gate has the following truth table {:("P 1 1 0 0"),("Q...

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  15. What will be the input of A and B for the Boolean expression bar((A+B)...

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  16. To get an output of 1 form the circuit shown in figure the input must ...

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  17. The truth-table given below is for which gate? {:("A 0 0 1 ...

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  18. The combination of gates shown below produces

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  19. Figure gives a system of logic gates. From the study of truth table it...

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  20. For a transistor (I(C))/(I(E))=0.96, then current gain for common emit...

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