Physics A transformer Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Air current Surface tension Upward thrust due to air Viscous force exerted by air Air current Surface tension Upward thrust due to air Viscous force exerted by air ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle UV rays Gama particle X rays Alpha particle UV rays Gama particle X rays ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Absolute temperature of the gas Mass of Molecules Temperature of environment Velocity of Molecules Absolute temperature of the gas Mass of Molecules Temperature of environment Velocity of Molecules ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel Renewable Energy None of these Nuclear Energy Fossil fuel Renewable Energy None of these Nuclear Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Demagnetization due to heating Earth's magnetic field Effect of other magnets Self-demagnetization Demagnetization due to heating Earth's magnetic field Effect of other magnets Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
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