Physics Rectifiers are used to convert: High voltage to low voltage Alternating current to Direct current Low voltage to high voltage Direct current to Alternating current High voltage to low voltage Alternating current to Direct current Low voltage to high voltage Direct current to Alternating current ANSWER DOWNLOAD EXAMIANS APP
Physics Atmospheric pressure exerted on earth is due to Uneven heating of earth Gravitational pull Revolution of earth Rotation of earth Uneven heating of earth Gravitational pull Revolution of earth Rotation of earth ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Heat Sound Motion Pressure Heat Sound Motion Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 20 10 40 80 20 10 40 ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Ultra high frequency waves on it Light waves on it Microwaves on it Radio waves on it Ultra high frequency waves on it Light waves on it Microwaves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Mercury thermometers Thermoelectric thermometers Alcohol thermometers Platinum resistance thermometers Mercury thermometers Thermoelectric thermometers Alcohol thermometers Platinum resistance thermometers ANSWER DOWNLOAD EXAMIANS APP