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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
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- An object placed at 20 cm in front of a concave mirror produces three times
- In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- If X=3YZ², find dimensions of Y if X and Z are the dimensions of capacity
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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