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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 horizontal straight conductor kept in north-south direction falls under gravity. Then
- Two particles which are initially at rest, move towards each other
- ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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