Physics Positive feedback is used in Amplifiers Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Reverse osmosis Diffusion Dialysis Centrifugation Reverse osmosis Diffusion Dialysis Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Physics Blotting paper absorbs ink due to Capillary action phenomenon Viscosity of ink Diffusion of ink through the blotting Siphon action Capillary action phenomenon Viscosity of ink Diffusion of ink through the blotting Siphon action ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: Just before it touches the ground When it is just on the half-way Just after it is dropped When it touches the ground Just before it touches the ground When it is just on the half-way Just after it is dropped When it touches the ground ANSWER DOWNLOAD EXAMIANS APP
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