Questions

Energy bands in solids are a consequence of

Energy bands in solids are a consequence of Options (a) Ohm's law (b) Pauli's exclusion principle (c) Bohr's theory (d)…

Zenor breakdown will occur if

Zenor breakdown will occur if Options (a) Impurity level is low (b) Impurity level is high (c) Impurity is in…

The impurity atoms with which pure silicon may be doped to make it a p-type

The impurity atoms with which pure silicon may be doped to make it a p-type semiconductor are those of Options…

Charge density for intrinsic semiconductor will be

Charge density for intrinsic semiconductor will be Options (a) 15x10¹⁷ m⁻³ (b) 1.6x10¹⁶m⁻³ (c) 5x10¹³m⁻³ (d) 15x10¹⁴m⁻³ Correct Answer: 1.6x10¹⁶m⁻³…

Depletion layer contains

Depletion layer contains Options (a) Only immobile negative and positive ions (b) Only free charge carriers (c) Both free carriers…

The bandgap in Germanium and silicon, in eV, are respectively

The bandgap in Germanium and silicon, in eV, are respectively Options (a) 0.7 and 1.1 (b) 1.1 and 0.7 (c)…

P-type semiconductors are made by adding impurity element

P-type semiconductors are made by adding impurity element Options (a) As (b) P (c) B (d) Bi Correct Answer: BExplanation:No…

A p-n photodiode is made of a material with a band gap of 2.0 eV

A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the…

A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.

A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can be detect a…

A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω

A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω and an output impedance of…