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Question

The diagram shows the biasing of an n-p-n transistor in common emitter configuration used in an amplifier.
The design of the transistor is such that 98% of the charge carriers passing through the emitter reach the collector. If base current changes from 50μ A to 100μ A, then the corresponding change in the voltage across the load resistance will be




A
0.25 V
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B
0.5 V
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C
24.5 V
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D
49.0 V
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Solution

The correct option is C 24.5 V
β=ΔICΔIB=0.98IE0.02IE=49

ΔV (across RL)=βΔIB.RL=49×50×106×104

=24.5 V

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