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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
- At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
- A person cannot see the objects clearly placed at a distance more than 40 cm
- A ball is dropped into a well in which the water level is at a depth h below the top
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- Find out the angle of projection, if range is 4 times of maximum height
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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