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When npn transistor is used as an amplifier
Options
(a) electrons move from base to collector
(b) holes move from emitter to base
(c) electrons move from collector to base
(d) holes move from base to emitter
Correct Answer:
electrons move from base to collector
Explanation:
When npn transistor is used as amplifier, majority charge carriers/electrons of n-type emitter travel from emitter to base and then from base to collector.
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- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pick out the correct statements from the following
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- When 4 A current flows for 2 min in an electroplating experiment,
- Function of a rectifier is
- The particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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wrong answer. ANswer is Holes move from base to emittor