Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R R/2 3R/4 5R/4 2R R/2 3R/4 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Eddy current is generated by Induction Direct Current Conduction Convection Induction Direct Current Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics On which principle does the hydraulic lift works? Joule's law Archimedes's law Pascal's law Newton's law Joule's law Archimedes's law Pascal's law Newton's law ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Proportional to each other None of these Not equal to each other Equal to each other Proportional to each other None of these Not equal to each other Equal to each other ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Reflection of light Scattering of light Refraction of light Dispersion of light Reflection of light Scattering of light Refraction of light Dispersion of light ANSWER DOWNLOAD EXAMIANS APP