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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
- An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor
- A vertical spring with force constant k is fixed on a table. A ball of mass
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
- The ‘rad’ is the correct unit used to report the measurement of
- Four identical cells of emf Ԑ and internal resistance r are to be connected in series.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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