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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
Related Questions: - A transistor-oscillator using a resonant circuit with an inductor L
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A transistor-oscillator using a resonant circuit with an inductor L
- If Q, E and W denote respectively the heat added, change in internal energy
- In L-C-R series circuit, an alternating emf e and current i are given by the equations
- what is the electric potential at a distance of 9cm from 3nC?
- If an A.C. mains supply is given to be 220 V, what would be the average e.m.f.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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