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in Physics by (30.0k points)

Draw a circuit diagram of a transistor amplifier in CE configuration.

Define the terms : (i) Input resistance (ii) Current amplification factor. How are these,determined using typical input and output characteristics ?

1 Answer

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(i) Input resistance 

(ii) Current amplification factor

The value of input resistance is determined from the Slope of IB verses VBE plot at constant VCE 

The value of current amplification factor is obtained from the slope of collector IC verses VCE plot using different values of IB .

(If a student uses typical characteristic is determine these values, full credit of one mark should be given)

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