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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
- The initial rate of increase of current, when a battery of emf 6 V is connected
- In Young’s double slit experiment, the locus of the point P lying in a plane
- An electric dipole of dipole moment p is aligned parallel to a uniform electric field E
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- A potentiometer circuit has been set up for finding the internal resistance of a given
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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