Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Accelerates the speed of the engine Gives strength to the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Accelerates the speed of the engine ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon The mass of the body The axis of rotation of the body The mass distribution in the body The angular speed of the body The mass of the body The axis of rotation of the body The mass distribution in the body The angular speed of the body ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted into a voltmeter by connecting with it a Low resistance on parallel High resistance on series High resistance in parallel Low resistance in series Low resistance on parallel High resistance on series High resistance in parallel Low resistance in series ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Extremely high frequency response Very low power consumptions Very wide temperature range of operations Instability due to negative resistance Extremely high frequency response Very low power consumptions Very wide temperature range of operations ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals are good conductor of heat plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
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