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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
- SI unit of permittivity is
- An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
- The thermo e.m.f. E in volts of a certain thermocouple is found to vary
- A beam of light of wavelength 600 nm from a distant source falls
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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