Physics Superconductors are those elements 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Picoseconds Millisecond Nanosecond Microsecond Picoseconds Millisecond Nanosecond Microsecond ANSWER DOWNLOAD EXAMIANS APP
Physics Pure water is bad conductor of electricity because it is A very good solvent A non-polar solvent Feebly ionized Not volatile A very good solvent A non-polar solvent Feebly ionized Not volatile ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics During ________ motion of an object along a straight line, the velocity remains constant with time. Equilibrium Translational Linear Uniform Equilibrium Translational Linear Uniform ANSWER DOWNLOAD EXAMIANS APP
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