Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°F 4°C 0°C 4°F 0°F 4°C 0°C 4°F ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? Quantum field theory London theory Resonating valence bond theory Ginzburg Landau theory Quantum field theory London theory Resonating valence bond theory Ginzburg Landau theory ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Henry Henry/meter Weber/meter Weber Henry Henry/meter Weber/meter Weber ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
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