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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
- From a disc of radius R, a concentric circular portion of radius r is cut-out so
- If the density of earth is doubled keeping its radius constant then acceleration
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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