Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Perfect conductors Dielectrics Semi conductors Superconductors Perfect conductors Dielectrics Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is economical It is malleable It is a good conductor It has a very high melting point It is economical It is malleable It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Rotameter is used to measure Density of fluids Flow of fluids Velocity of fluid in pipes Vortex flow Density of fluids Flow of fluids Velocity of fluid in pipes Vortex flow ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Infrared radiation Ultraviolet radiation X-ray radiation Visible radiation Infrared radiation Ultraviolet radiation X-ray radiation Visible radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Pressure Surface tension Viscosity Inertia Pressure Surface tension Viscosity Inertia ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS