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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
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
- Two charges of equal magnitude q are placed in air at a distance 2a
- Watt hour mter measures
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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