Materials and Components The elements which become superconducting at extremely low temperatures are Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Good conductors at room temperature Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Good conductors at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess Low thermal conductivity and low melting pointL High thermal conductivity and high melting point Low thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL High thermal conductivity and high melting point Low thermal conductivity and high melting point High thermal conductivity and low melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 200 K About 10 K About 600 K About 2 K About 200 K About 10 K About 600 K About 2 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A leakage capacitor can be represented by a capacitance C and resistance R in parallel C. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Debye temperature Curie temperature Transition temperature Neel temperature Debye temperature Curie temperature Transition temperature Neel temperature ANSWER DOWNLOAD EXAMIANS APP