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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
Related Questions: - Bragg’s law for X-rays is
- A small object of uniform density rolls up a curved surface with an initial velocity
- When npn transistor is used as an amplifier
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
- In a uniform circular motion, work done in one complete rotation is
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Bragg’s law for X-rays is
- A small object of uniform density rolls up a curved surface with an initial velocity
- When npn transistor is used as an amplifier
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
- In a uniform circular motion, work done in one complete rotation is
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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