Physics Transformer is a device to convert Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. C. to A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. C. to A.C. Low voltage D.C. into high voltage D.C. ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of mass Centre of gravity Centre of motion Dead centre Centre of mass Centre of gravity Centre of motion Dead centre ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Ultrasonic Radio Ultra violet Infrared Ultrasonic Radio Ultra violet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer horizontally within the atmosphere is called Convection Advection Conduction Absorption Convection Advection Conduction Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Extremely high frequency response Instability due to negative resistance Very low power consumptions Very wide temperature range of operations Extremely high frequency response Instability due to negative resistance Very low power consumptions Very wide temperature range of operations ANSWER DOWNLOAD EXAMIANS APP
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