Materials and Components In a metal, the valence electrons Are shared only between neighbouring atoms Either B or C Are shared by all atoms Are not shared Are shared only between neighbouring atoms Either B or C Are shared by all atoms Are not shared ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a copper atom are 2 11 29 9 2 11 29 9 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Decreases with increase in light intensity Remains constant Increases with increase in light intensity May increase or decrease with increase in light intensity Decreases with increase in light intensity Remains constant Increases with increase in light intensity May increase or decrease with increase in light intensity 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 An atom of a rare gas is placed is an electric field E. Then The nucleus will be shifted in the direction of E by an amount which is proportional to E. The nucleus will be shifted in the direction of E by an amount which is independent of E. The nucleus will not be shifted. The nucleus will be shifted in a direction opposite to that of E. The nucleus will be shifted in the direction of E by an amount which is proportional to E. The nucleus will be shifted in the direction of E by an amount which is independent of E. The nucleus will not be shifted. The nucleus will be shifted in a direction opposite to that of E. ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Good conductors at room temperature Insulators at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature Good conductors at room temperature Insulators at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP