Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics One thousand microns is equal to 10-3m 10-6m 10-12m 10-9m 10-3m 10-6m 10-12m 10-9m ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Vander waals forces Hydrogen bond formation Dipole interaction Covalent attraction Vander waals forces Hydrogen bond formation Dipole interaction Covalent attraction ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Gaps Smoothness Densities Irregularities Gaps Smoothness Densities ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Coulomb Ohm Newton Joule Coulomb Ohm Newton Joule ANSWER DOWNLOAD EXAMIANS APP
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