Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Increases with increase in light intensity Remains constant Decreases with increase in light intensity May increase or decrease with increase in light intensity Increases with increase in light intensity Remains constant Decreases with increase in light intensity May increase or decrease with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied The material may become an insulator The superconducting property may be destroyed The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property is not affected The material may become an insulator The superconducting property may be destroyed The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property is not affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Iron alloy cored Cast iron cored Ceramic cored Sheet steel cored Iron alloy cored Cast iron cored Ceramic cored Sheet steel cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Transition temperature Debye temperature Neel temperature Curie temperature Transition temperature Debye temperature Neel temperature Curie temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In van der walls crystals, there exists a high degree of stability of the outer electron shell. False True False True ANSWER DOWNLOAD EXAMIANS APP