Consider an n-p-n transistor amplifier in common emitter configuration. The current gain of the transistor is 100. If the collector current changes by 1mA, what will be the change in emitter current
A
1.1mA
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B
1.01mA
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C
0.01mA
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D
10mA
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Solution
The correct option is C1.01mA 100=ΔIcΔIb⇒ΔIb=1100mA=0.01mA ΔIe=ΔIc+ΔIb=1+0.01=1.01mA