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Standard XII
Physics
NCERT
Question

A transistor has a base current of 1 mA and emitter current 100 mA. The current transfer ratio will be
  1. 0.9
  2. 0.99
  3. 1.1
  4. 10.1

A
1.1
B
10.1
C
0.9
D
0.99
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Solution
Verified by Toppr

Given that:
Ib=1 mA,
Ie=100 mA

Hence, Ic=Ie−Ib=100−1=99 mA
Current transfer ratio is IcIe=99100=0.99

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