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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
- Rate of photoelectric emission is proportional to
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- An insulated container of gas has two champers seperated by an insulating partition.
- Angle of minimum deviation for a prism of reractive index 1.5 equal to the angle
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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