Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components 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 False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and high melting point High thermal conductivity and low melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Many compounds also exhibit semiconducting properties. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Cast iron cored Sheet steel cored Iron alloy cored Ceramic cored Cast iron cored Sheet steel cored Iron alloy cored Ceramic cored ANSWER DOWNLOAD EXAMIANS APP