Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Remains constant May increase or decrease with increase in light intensity Increases with increase in light intensity Decreases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Increases with increase in light intensity Decreases 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 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 number of protons in a silicon atom are 8 14 4 12 8 14 4 12 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP