What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω and load resistance is 24…
8 years ago
Questions
For transistor action (1) Base, emitter and collector regions should have similar size
For transistor action: (1) Base, emitter and collector regions should have similar size and doping concentrations. (2) The base region…
8 years ago
In depletion layer of unbiased P-N junction
In depletion layer of unbiased P-N junction Options (a) It is devoid of charge carriers (b) Has only electrons (c)…
8 years ago
The device can act as a complete electronic circuit is
The device can act as a complete electronic circuit is Options (a) junction diode (b) integrated circuit (c) junction transistor…
8 years ago
Which one of the following bonds produces a solid that reflects light in the visible region
Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity…
8 years ago
Which one of the following statement is FALSE ?
Which one of the following statement is FALSE about semiconductors? Options (a) Pure Si doped with trivalent impurities gives a…
8 years ago
Minority carriers in a p-type semiconductor are
Minority carriers in a p-type semiconductor are Options (a) Free electrons (b) Holes (c) Neither holes nor free electrons (d)…
8 years ago
Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å. The lattice parameter is Options (a) 4.3…
8 years ago
In intrinsic semiconductor at room temperature number of electrons and holes are
In intrinsic semiconductor at room temperature number of electrons and holes are Options (a) equal (b) zero (c) unequal (d)…
8 years ago
The number of beta particles emitted by a radioactive substance is twice the number
The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted. The resulting…
8 years ago