The current gain in transistor in common base mode is $0.99$ . To change the emitter current by $5 m A$ , the necessary change in collector will be

0.196 m A

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2.45 m A

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4.95 m A

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5.1 m A

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Solution

The correct option is D $4.95 m A$
$Δ I_{C} = α Δ I_{E} = 0.99 \times 5 = 4.95 m A$

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Similar questions

In a common base transistor circuit, the current gain is 0.98. On changing emitter current by 5 mA, the change in collector current is

0.9

5 m A

0.98

5 m A

35

140

β

_{C E}

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