Physics Water cannot be used to extinguish fire caused by electric current, because It may cause hydrolysis It may cause electrolysis It may spoil the wiring It may cause electrocution It may cause hydrolysis It may cause electrolysis It may spoil the wiring It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics In case of uniform circular motion, the acceleration is Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction Variable in magnitude but tangential to the circle Zero Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction Variable in magnitude but tangential to the circle Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons All of these Particles replaces there places Collide each other Means of photons All of these Particles replaces there places ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Does not change Decreases Depends on the impurities in the ice Increases Does not change Decreases Depends on the impurities in the ice Increases ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect Magnets None of these Both A & B Electromagnets Magnets None of these Both A & B Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments Is infinity Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP