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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
- The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.
- The acceleration due to gravity at a place is π² m/sec². Then the time period
- Which of the following is true for number of spectral lines in going from Lyman series
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- In which of the processes, does the internal energy of the system remain constant?
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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