In insulators (CB is Conduction Band and VB is Valence Band)
In insulators (CB is Conduction Band and VB is Valence Band)
Options
(a) VB is partially filled with electrons (b) CB is partially filled with electrons (c) CB is empty and VB is […]
Questions
If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental
If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be
Options
(a) 50 Hz (b) 70.7 Hz (c) 100 Hz (d) 25 Hz
Correct […]
The conductivity in the intrinsic semiconductor does not depend on
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
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
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
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
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
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
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.
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) […]