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A p-n-p transistor is used in common emitter mode in an amplifier circuit. When base current is changed by an amount ∆Iв, then the collector current changes by 4 mA. If the current amplification factor is 60, then the value of ∆Iв is,
Options
(a) 15 μA
(b) 240 mA
(c) 66.6 μA
(d) 60 μA
Correct Answer:
66.6 μA
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
- The electric field in a certain region is given by E=5i ̂-3ĵ kV/m. The potential
- The acceleration due to gravity near the surface of a planet of radius R and density d
- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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