If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. True False TRUE ANSWER : ? YOUR ANSWER : ?
Schrodinger wave equation is a Differential equation Partial differential equation None of these Linear equation TRUE ANSWER : ? YOUR ANSWER : ?
The merger of hole and free electron is called Covalent bonding Recombination Thermal energy Free electrons TRUE ANSWER : ? YOUR ANSWER : ?
Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is Normal to both current and magnetic field In a direction anti parallel to magnetic field None of these In the same direction as current TRUE ANSWER : ? YOUR ANSWER : ?
Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. False True TRUE ANSWER : ? YOUR ANSWER : ?
The fact that domains exhibits spontaneous magnetisation is Curie-Weiss law Boltzmann’s statistics First hypothesis is of Curie Second hypothesis is of Weiss TRUE ANSWER : ? YOUR ANSWER : ?
With increase in temperature, the electrical conductivity would Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor TRUE ANSWER : ? YOUR ANSWER : ?
The phenomenon of dielectric hysteresis occurs with Both AC and DC None of these AC DC TRUE ANSWER : ? YOUR ANSWER : ?
A vacant electronic state moves in the same direction as would a positive charge carrier. True False TRUE ANSWER : ? YOUR ANSWER : ?