The current gain for a transistor working as a common‐ base amplifier is 0.96. If the emitter current is 7.2 mA, Ll1e base current will be [2001]
A
0.42 
B
0.49 
C
0.35 
D
0.29 
Text Solution
Verified by ExpertsThe correct answer is:
D
Current gain of transistor is
where 
is change in collector current, and 
is change in emitter current.
Given, 
Also 
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