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 Which measurement depends on gravitational force? Height Mass Weight All of these Height Mass Weight All of these ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The green ray The violet ray The blue ray The red ray The green ray The violet ray The blue ray The red ray ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Larger stone reaches the ground earlier Depends on the composition of the stone Both the stones reach the ground at the same time Smaller stone reaches the ground earlier Larger stone reaches the ground earlier Depends on the composition of the stone Both the stones reach the ground at the same time Smaller stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics When the main switch of the house is put off it disconnects the Live wire and the neutral wire Live wire only Live wire and the earth wire Earth wire and the neutral wire Live wire and the neutral wire Live wire only Live wire and the earth wire Earth wire and the neutral wire ANSWER DOWNLOAD EXAMIANS APP
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