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In an NPN transistor the collector current is 24 mA. If 80% of the electrons reach collector, its base current in mA is
Options
(a) 36
(b) 26
(c) 16
(d) 6
Correct Answer:
6
Explanation:
Since 80% of the electrons reach the collector, 20% only remain.
Base current = (20 / 80) x 24 = 6 mA
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A coin of mass m and radius r having moment of inertia I about the axis passes
- Dimensional formula of magnetic field in terms of mass M, length L
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
- In a water fall, the water falls from a height of 100 m. If the entire kinetic energy
- A jar is filled with two non-mixing liquids 1 and 2 having densities
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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