Home
Class 12
PHYSICS
A n-p-n transistor conducts when...

A n-p-n 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

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise EXERCISE - IB|7 Videos
  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise EXERCISE - II|17 Videos
  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise PROBLEMS|41 Videos
  • RAY OPTICS

    AAKASH SERIES|Exercise PROBLEMS ( LEVEL-II)|60 Videos
  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise PRACTICE EXERCISE|45 Videos

Similar Questions

Explore conceptually related problems

A npn transistor conducts when

With respect to the potential of emitter, base and collector, a NPN transistor conducts when

In n-p-n transistor circuit, the collector current is 20 mA. If 90% of the electrons emitted reache the collector, then the

In a n-p-n transistor circuit, the collector current is 10 mA. If 80 percent of electrons emitted reach to the collector. Then the base current (in mA) will be

In an n-p-n transistor circuit , the collector currents is 10mA . If 95 per cent of the electrons emitted reach the collector, which of the following statements are true?

In n-p-n transistor circuit, the collector current is 10 mA . If 90% of the holes reach the collector, find emitter and base currents.

Assertion : Two p-n junction diodes placed back to back, will work as a n-p-n transistor. Reason: The p-region of two p-n junction diodes back to back will form the base of n-p-n transistor.

(i) Draw a circuit diagram to study the input and output characteristics of an n-p-n transistor in its common emitter configuration. Draw the typical input and output characteristics. (ii) Explain, with the hepl of a circuit diagram, the working of n-p-n transistor as a common emitter amplifier.

In a n - p - n transistor circuit, the collector current is 10 mA . If 95 per cent of the electrons emitted reach the collector, which of the following statements are true ?

Draw the diagram of the circuit arangement used for studying the 'input' and the 'output' characteristics of an n-p-n transistor inits CE configuration. Briefly explain how these two types of characteristics are obtained and draw these characteristics. (b) 'Define' the terms (i) Input resistance, (ii) Output resistance , (iii) Current amplification factor, for a given transistor.