Q.

A transistor is operated in common emitter configuration at constant collector voltage Vc=1.5V such that a change in the base current from 100μA to 150μA produces a change in the collector current from 5mA to 10mA The current gain is

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a

300

b

200

c

100

d

50

answer is C.

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Detailed Solution

β=∆IC∆IB=10-5mA150-100μA=100

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A transistor is operated in common emitter configuration at constant collector voltage Vc=1.5V such that a change in the base current from 100μA to 150μA produces a change in the collector current from 5mA to 10mA The current gain is