Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 J 1568 N 1568 W 1568 C 1568 J 1568 N 1568 W 1568 C ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Cluster Atmosphere Galaxy Sun Family Cluster Atmosphere Galaxy Sun Family ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its electrical conductivity increase its life increase its electrical resistivity enable it to withstand higher voltages increase its electrical conductivity increase its life increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear > 85 db None of these < 85 db = 85 db > 85 db None of these < 85 db = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The hydraulic brakes used in automobiles is a direct application of : Archimedes' principle Pascal's law Bernoulli's theorem Toricellian law Archimedes' principle Pascal's law Bernoulli's theorem Toricellian law ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS