The current gain of a transistor in common base mode is 0.99. What is the change in collector current if the emitter current changes by 5 mA ?

Question

The current gain of a transistor in common base mode is 0.99. What is the change in collector current if the emitter current changes by 5 mA ?

The current gain of a transistor in common base mode is 0.99. What is the change in collector current if the emitter current changes by 5 mA ?
A. 0.195 mA
B. 4.95 mA
C. 3.25 mA
D. 0.495 mA

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`alpha= (DeltaI_C)/(DeltaI_E) therefore DeltaI_C = alpha xx DeltaI_E = 0.99xx5 `=4.95 mA

6 views Answered 2023-02-05 15:29