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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 which place, Earth’s magnetism becomes horizontal
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
- A particle of mass m is projected with a velocity v making an angle of 45°
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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