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 The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Radar Sonar Laser Maser Radar Sonar Laser Maser ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Percentage Kilograms Grams Ratio Percentage Kilograms Grams Ratio ANSWER DOWNLOAD EXAMIANS APP
Physics When the milk is churned vigorously the cream from it is separated out due to Centrifugal force Frictional force Centripetal force Gravitational force Centrifugal force Frictional force Centripetal force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? None of these Coolidge tube X-ray tube Roentgen None of these Coolidge tube X-ray tube Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Momentum Catching time Impulse Force Momentum Catching time Impulse Force ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS