The conductivity in the intrinsic semiconductor does not depend on
Options
(a) band gap (b) temperature (c) fermi energy (d) effective mass of charge carriers
Correct Answer:
fermi energy
Explanation:
No explanation available. […]
In the middle of the depletion layer of a reverse-biased P-N junction, the
Options
(a) Potential is zero (b) Electric field is zero (c) Potential is maximum (d) Electric field is maximum
Correct […]
For non-conductors, the energy gap is
Options
(a) 6 eV (b) 1.1 eV (c) 0.8 eV (d) 0.3 eV
Correct Answer:
6 eV
Explanation:
No explanation available. Be the first to write the […]
The input characteristics of a transistor in CE mode is the graph obtained by plotting
Options
(a) Iв against Iс at constant Vсᴇ (b) Iв against Vвᴇ at constant Vсᴇ (c) Iв against […]
The energy band gap is maximum in
Options
(a) Metals (b) Superconductors (c) Insulators (d) Semiconductors
Correct Answer:
Insulators
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The liquid-crystal phase of a matter is called
Options
(a) mesophase (b) gel (c) crystalline liquid (d) None of these
Correct Answer:
mesophase
Explanation:
No explanation available. Be the first to write the […]
Function of a rectifier is
Options
(a) To convert ac into dc (b) To convert dc into ac (c) Both a and b (d) none of these
Correct Answer:
To convert ac into […]
The current gain of a transistor in common base configuration is 0.96. Corresponding to the change in emiiter current 10 mA, the change in base current would be
Options
(a) 0.03 mA (b) […]
The p-type semiconductor is
Options
(a) positively charged (b) negatively charged (c) electrically charged (d) unchanged at 0 K or -273 ⁰ C but charged at temperature higher than 0 K.
Correct Answer: […]
Zenor breakdown in a semiconductor diode occurs when
Options
(a) Forward current exceeds certain value (b) Reverse bias exceeds certain value (c) Forward bias exceeds certain value (d) Potential barrier is reduced to zero
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