Home
Class 12
PHYSICS
A change of 0.04 V takes place between t...

A change of 0.04 V takes place between the base and the emitter when an input signal is connected to the CE transistor amplifier. As a result,`20 muA` change takes place in the base current and a change of 2 mA takes place in the collector current. Find the input resistance and A.C. current gain.

A

(A) `2kOmega`, 100

B

(B) `1kOmega`, 100

C

(C) `2kOmega`, 200

D

(D) `1kOmega`, 200

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

In a silicon transister a change of 7.89 mA in the emitter current produces a change of 7.8 mA in the collector current, the base current must change by

The change of state occurs when the exchange of heat takes place between

What is the change in the collector current in a transistor of a.c. current gain 150, for a 100 mu A change in the base current ?

In a common-base connection, the emitter current is 6.28 mA and collector current is 6.20 mA. Determine the common-base DC current gain.

For a transistor in common emitter configuration the current amplification factor is 4 .If the change in base current be 6 mA, Then the change in collector current will be

The r.m.s. value of the base current of a transistor is 10 muA . What is the current gain (beta) if the peak value of the a.c. collector current is 1.414 mA?

Consider an npn transistor amplifier in common-emitter configuration. The current gain of the transistor is 100. If the collector current changes by 1 mA, what will be the change in emitter current

A transistor is used as a common emitter amplifier with a load resistance 2 kOmega . The input resistance is 150 Omega . Base current is changed by 20 muA which results in a change in collector current by 1.5 mA. The voltage gain of the amplifier is

The input resistance of a transistor is 1000 Omega . On changing its base current by 10 muA , the collector current increases by 2 mA. If a load resistance of 5 k Omega is used in the circuit, calculate : the current gain.

The transistor is working as common base amplifier, current gain is 0.97 and base current is 0.12mA . The collector current is