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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: - Choose the correct statement
- In Young’s double slit experiment, a third slit is made in between the double slits.
- The sum of the magnitudes of two forces acting at a point is 16 N
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Choose the correct statement
- In Young’s double slit experiment, a third slit is made in between the double slits.
- The sum of the magnitudes of two forces acting at a point is 16 N
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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