Physics The device used to change the speed of an electric fan is Switch Amplifier Rectifier Regulator Switch Amplifier Rectifier Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photoconductive effect Photosynthesis Photovoltaic effect Photoelectric effect Photoconductive effect Photosynthesis Photovoltaic effect Photoelectric effect ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle Its velocity remains constant No work is done on it No acceleration is produced in it No force acts on it Its velocity remains constant No work is done on it No acceleration is produced in it No force acts on it ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 273°C 0°C 100°C 4°C 273°C 0°C 100°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Magnetic wave X-ray Sound wave Ultra-sound wave Magnetic wave X-ray Sound wave Ultra-sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Cool and humid climate Cool and dry climate Hot and humid climate Hot and dry climate Cool and humid climate Cool and dry climate Hot and humid climate Hot and dry climate ANSWER DOWNLOAD EXAMIANS APP
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