For making a capacitor it is better to have a dielectric having High permittivity Permittivity which is neither high nor low Permittivity same as that of air Low permittivity TRUE ANSWER : ? YOUR ANSWER : ?
Schrodinger wave equation is a None of these Differential equation Linear equation Partial differential equation TRUE ANSWER : ? YOUR ANSWER : ?
The most important set of specifications of transformer oil include viscosity and flash point dielectric strength and flash point flash point and viscosity dielectric strength and viscosity 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 None of these In the same direction as current Normal to both current and magnetic field In a direction anti parallel to magnetic field TRUE ANSWER : ? YOUR ANSWER : ?
When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability. False True TRUE ANSWER : ? YOUR ANSWER : ?
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C. True False TRUE ANSWER : ? YOUR ANSWER : ?
Spontaneous magnetisation is characteristic of ferromagnetic materials. False True TRUE ANSWER : ? YOUR ANSWER : ?
The residual resistivity of a binary alloy at 0 K is Difference of residual resistivities of component metals Sum of residual resistivities of component metals Product of residual resistivities of component metals Dependent on the concentration of minor component in the alloy TRUE ANSWER : ? YOUR ANSWER : ?