Home
Class 12
PHYSICS
When a n-p-n transistor is used as an am...

When a n-p-n transistor is used as an amplifier, then

A

electrons move from base to collector

B

electrons move from emitter to collector

C

electrons move from collector to base

D

holes move from base to emitter

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

When N-P-N transistor is used as an amplifier-

To use a transistor as an amplifier

To use a transistor as an amplifier

In a silicon transistor, base current is changed by 20muA . This result in a change of 0.02V in base-emitter voltage and a change of 2 mA in the collector current. Find the input resistance, beta_(a.c.) and transconductance of the transistor. The transistor is used as an amplifier with the load resistance 5k Omega . What is the voltage gain of the amplifier?

Draw the tramsfer characteristic curve of a base biased transistor in CE configuration. Explain clearly how the active region of the V_o" versus " V_i curve in a transistor is used as an amplifier.

Which of the following statement is true for a p-n-p transistor when used in an amplifier circuit?

Assertion: A transistor can be used as an amplifier. Reason: A small change in input current can change output on a large scale.

A n-p-n transistor conducts when

Draw a labelled circuit diagram of n - p - n germanium transistor in common emitter configuration. Explain briefly, how this transistor is used as a voltage amplifier.

The input resistance of a silicon transistor is 665Omega . Its base current is changed by 15muA which results in the change in collector current by 2mA . This transistor is used as a common emitter amplifier with a load resistance of 5kOmega . What is the voltage gain of the amplifier.