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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 frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- If alpha, beta and gamma rays carry same momentum, which has the longest
- In an orbital motion, the angular momentum vector is
- If the unit of force and length are doubled, then unit of energy will be
- CO₂ laser uses
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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