Explain through a labelled circuit diagram the working of a transistor as an amplifier (CE configuration). Obtain an expression for the current gain, voltage gain and power gain

Draw neat labelled circuit diagram of transistor as an amplifier

Draw a neat circuit diagram of a transistor CE -amplifier and explain its working

The current gain of a transistor is defined as

The current gain of a transistor in commonemitter configuration is 80. If the emitter current be 8.1 mA, then what is the collector current?

A npn transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 Omega , the voltage gain and the power gain of the amplifier will respectively be

The current gain of a transistor in common emitter circuit is 25, then the ratio of emitter current to base current is

The input resistance of a common emitter transistor amplifier, if the output resistance is 500 kOmega , the current gain alpha = 0.98 and power gain is 6.0625xx10^6 , is

For a transistor, in a common base arrangement the alternating current gain alpha is given by such that , V_c = constant

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

In a common emitter amplifier , the input resistance is 200 Omega and load resistance is 40 k Omega .If the current gain is 80 , the voltage gain of the amplifier is