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