Physics What is the name of the device used to convert alternating current into direct current ? Transformer Rectifier Galvanometer Ammeter Transformer Rectifier Galvanometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics Light from Sun reaches Earth in approximately 8 minutes 12 minutes 3 minutes 10 minutes 8 minutes 12 minutes 3 minutes 10 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The air outside rushing in to fill the vacuum inside the bulb None of these The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb None of these The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Conductivity of air increases Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the Both a & b The rate of data transfer None of these A measure of the width of a range of frequencies Both a & b The rate of data transfer None of these A measure of the width of a range of frequencies ANSWER DOWNLOAD EXAMIANS APP
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