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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: - For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- For inelastic collision between two spherical rigid bodies
- The work done in which of the following processes is zero?
- A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- For inelastic collision between two spherical rigid bodies
- The work done in which of the following processes is zero?
- A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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