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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 stationary particle explodes into two particles of masses m₁ and m₂ which move
- A metal conductor of length 1m rotates vertically about one of its ends at angular
- A series R-C circuit is connected to an alternating voltage source. Consider two
- The ‘rad’ is the correct unit used to report the measurement of
- A transistor is working in common emitter mode. Its amplification factor is 80
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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