Physics Positive feedback is used in Rectifiers None of these Amplifiers Oscillators Rectifiers None of these Amplifiers Oscillators ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Joule Coulomb Newton Ohm Joule Coulomb Newton Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water decreases at higher altitudes is due to Low atmospheric pressure High temprature High atmospheric pressure Low temperature Low atmospheric pressure High temprature High atmospheric pressure Low temperature ANSWER DOWNLOAD EXAMIANS APP
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