Physics The energy emitted by the Sun is due to Chemical reaction Nuclear fission All of these Nuclear fusion Chemical reaction Nuclear fission All of these Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced He may increase his speed No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced He may increase his speed No frictional force may be produced between the wheels and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Air Glass Vacuum Water Air Glass Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Longitudinal Transverse Waves are not produced Both longitudinal and transverse Longitudinal Transverse Waves are not produced Both longitudinal and transverse ANSWER DOWNLOAD EXAMIANS APP