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 Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Humidity Temperature Acceleration Pressure Humidity Temperature Acceleration Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Mesosphere Ionosphere Ozonosphere Stratosphere Mesosphere Ionosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Cube of amplitude Square root of amplitude Amplitude Square of amplitude Cube of amplitude Square root of amplitude Amplitude Square of amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Green Red Blue Violet Green Red Blue Violet ANSWER DOWNLOAD EXAMIANS APP
Physics The part of the eye having the largest refractive index is : Cornea Lens Aqueous humor Vitreous humor Cornea Lens Aqueous humor Vitreous humor ANSWER DOWNLOAD EXAMIANS APP
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