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In a semiconductor
Options
(a) There are no free electrons at any temperature
(b) The number of free electrons is more than that in a conductor
(c) There are no free electrons at 0 K
(d) None of these
Correct Answer:
There are no free electrons at 0 K
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- Fusion reaction takes place at high temperature because
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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