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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
- In a radioactive decay process, the negatively charged emitted β- particles are
- Charge density for intrinsic semiconductor will be
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- A light whose frequency is equal to 6.0 x 10¹⁴ Hz is incident on a metal
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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