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: 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 Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics Sprayer functions on Bernouli's principle Archemede's principle Pascal's law Floatation principle Bernouli's principle Archemede's principle Pascal's law Floatation principle ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics In general, which is the cause of a land breeze? None of these Pressure Heat Temperature None of these Pressure Heat Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of liquids vary as Pressure varies Volume varies Density varies Temperature varies Pressure varies Volume varies Density varies Temperature varies ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. None of these the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
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