Q29.The current gain of a common emitter amplifier is 69 . If the emitter current is 7. 0 mA , collector current is : (1) 69 mA (2) 0. 69 mA (3) 6. 9 mA (4) 9. 6 mA
What This Question Tests
The question requires calculating the collector current of a common emitter amplifier using the given current gain (beta) and emitter current, utilizing basic transistor current relations.
Concepts Tested
Formulas Used
β = I_C / I_B
α = I_C / I_E
I_E = I_C + I_B
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📋 Question Details
- Chapter
- Semiconductor
- Topic
- Transistor amplifier parameters
- Year
- 2017
- Shift
- 09 Apr Online
- Q Number
- Q29
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor Electronics: Materials, Devices and Simple Circuits
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