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Question: Answered & Verified by Expert
If collector current is \(120 \mathrm{~mA}\) and base current is \(2 \mathrm{~mA}\) and resistance gain is 3 , what is power gain?
PhysicsSemiconductorsAIIMSAIIMS 2007
Options:
  • A 180
  • B 10800
  • C 1.8
  • D 18
Solution:
2352 Upvotes Verified Answer
The correct answer is: 10800
Current gain \(\beta=\frac{I_C}{I_B}=\frac{(120 \mathrm{~mA})}{(2 \mathrm{~mA})}=60\)
Power gain \(=\) Resistance gain \(\times \beta^2\)
\(=(3) \times(60)^2=10800\)

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