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For transistor action:
(1) Base, emitter and collector regions should have similar size and doping concentrations.
(2) The base region must be vary thin and lightly doped.
(3) The emitter-base junction is forward biased and base-collector junction is reverse based.
(4) Both the emitter-base junction as well as the base-collector junction are forward biased.
Options
(a) (3), (4)
(b) (4), (1)
(c) (1), (2)
(d) (2), (3)
Correct Answer:
(2), (3)
Explanation:
For transistor action, the base region must be very thin and lightly doped. Also, the emitter-base junction is forwarded biased and base-collector junction is reverse biased.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two waves represented by following equations are travelling in same medium
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- The order of distance of an electron revolving in an atom from nucleus is
- Wavefront is the locus of all points, where the particles of the medium
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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