Current carrier in conductors is ____
a) Electron
b) Proton
c) Neutron
d) Positron
Current carrier in conductors is ____ Read More »
a) Electron
b) Proton
c) Neutron
d) Positron
Current carrier in conductors is ____ Read More »
a) Electron
b) Proton
c) Neutron
d) Positron
Current carrier in conductors is ____ Read More »
a) Silver, copper, gold
b) Paper, glass, cotton
c) The human body, wood, iron
d) Glass, copper, paper
Which group among the following is insulator? Read More »
a) The conductivity of the material
b) The resistivity of the material
c) Charge density
d) Ease of ionization
The band gap between the valence band and conduction band is the measure of ______ Read More »
a) Perfect insulator
b) Slightly conducting
c) Can be an insulator or conducting
d) Semiconductor
The rubber used in the wheels of aero-plane is _________ Read More »
a) High temperature
b) Low temperature
c) At any temperature
d) Depends on pressure
Insulation breakdown may occur at _______ Read More »
a) Almost zero resistivity
b) Very high resistivity
c) Temperature-dependent resistivity
d) Moderate value of resistivity
Superconductors have __________ Read More »
a) Induction and attraction occur simultaneously
b) Induction occurs before the attraction
c) Attraction occurs before induction
d) Attraction or repulsion may occur
a) Movement of electron
b) Leakage of charge
c) Ionization of atoms
d) Uniform charge distribution
Induction occurs due to ______ Read More »