Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Ammeter Thermocouple Voltmeter Hydrometer Ammeter Thermocouple Voltmeter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Electrical potential energy Kinetic energy Gravitational potential energy Chemical potential energy Electrical potential energy Kinetic energy Gravitational potential energy Chemical potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage 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 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 Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which liquid is the most viscous? Oil Diesel Water Milk Oil Diesel Water Milk ANSWER DOWNLOAD EXAMIANS APP
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