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A npn transistor conducts when...

A `npn` transistor conducts when

A

Both collector and emitter are positive with respect 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

Text Solution

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The correct Answer is:
B
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ERRORLESS-ELECTRONICS-NCERT Based Questions (Junction Transistor)
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  3. In a common-base amplifier, the phase difference between the input sig...

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  4. The reverse saturation of p-n diode

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  5. Transfer characterstics [output voltage (V(o)) vs. input voltage (V(i)...

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  6. The i - V characteristic of a P - N junction diode is shown below. The...

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

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

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  9. In a transistor circuit shown here the base current is 35 muA. The val...

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  10. For the transistor circuit shown below, if beta=100, voltage drop betw...

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

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  12. For a common base configuration of PNP transistor (l(C))/(l(E))=0.98, ...

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  13. In a PNP transistor working as common-base amplifier, current gain is ...

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  14. In the study of transistors as an amplifier, if alpha=I(c)//I(c) and b...

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  15. In a transistor if collector current is 25 mA and base current is 1 mA...

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  16. In a common emitter configuration of a transistor, the voltage drop ac...

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  17. 17. In a bipolar junction transistor (BJT), the current gain beta is ...

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  20. In a NPN transistor, 108 electrons enter the emitter in 10^(-8) s . I...

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