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: 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 Both the heating effect of current and hysteresis loss The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Tesla Newton Angstrom Fermi Tesla Newton Angstrom Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Time Intensity of light Distance Light Time Intensity of light Distance Light ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the Sun reaches us in nearly 8 minutes 2 minutes 16 minutes 4 minutes 8 minutes 2 minutes 16 minutes 4 minutes ANSWER DOWNLOAD EXAMIANS APP
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