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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 ballet dancer, dancing on smooth floor, is spinning about a vertical axis
- In Young’s double slit experiment, a third slit is made in between the double slits.
- A tuning fork gives 4 beats with 50 cm length of a sonometer
- Young’s modulus of perfectly rigid body material is
- 180⁰ phase difference is obtained when light ray is reflected from
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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