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