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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
- The work done in rotating a magnetic of magnetic moment 2 A-m² in
- The intensity of magnetisation of a bar magnet is 5×10⁴ Am⁻¹. The magnetic length
- An electron moving in a uniform magnetic field of induction of intensity B,
- A simple pendulum has a time period T₁ when on the earth’s surface and T₂ When taken
- Application of Bernoulli’s theorem can be seen in
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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