Physics Rectifiers are used to convert: Direct current to Alternating current Low voltage to high voltage High voltage to low voltage Alternating current to Direct current Direct current to Alternating current Low voltage to high voltage High voltage to low voltage Alternating current to Direct current ANSWER DOWNLOAD EXAMIANS APP
Physics Atmospheric pressure exerted on earth is due to Uneven heating of earth Rotation of earth Gravitational pull Revolution of earth Uneven heating of earth Rotation of earth Gravitational pull Revolution of earth ANSWER DOWNLOAD EXAMIANS APP
Physics Electric power is measured in units of Watt Ampere Joule Volt Watt Ampere Joule Volt ANSWER DOWNLOAD EXAMIANS APP
Physics Water is used in car radiator because of its Low density Low boiling point Easy availability High specific heat capacity Low density Low boiling point Easy availability High specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these Decreasing the radius of the capillary tube Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P P > P 2P < P P > P 2P ANSWER DOWNLOAD EXAMIANS APP