Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. True False True False 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 Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and high melting point Low thermal conductivity and high melting point Low thermal conductivity and low melting pointL High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and high melting point Low thermal conductivity and low melting pointL High thermal conductivity and low melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed ANSWER DOWNLOAD EXAMIANS APP
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 number of protons in a silicon atom are 8 14 4 12 8 14 4 12 ANSWER DOWNLOAD EXAMIANS APP
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