Physics A device used for converting a.c. into d.c. is called Rectifier Transformer Induction coil Dynamo Rectifier Transformer Induction coil Dynamo ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Length and size of the lens Length Colour Size of the lens Length and size of the lens Length Colour Size of the lens ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are binaries novas and supernovas asteroids quasars binaries novas and supernovas asteroids quasars ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Black box Dark box Blind box Altitude meter Black box Dark box Blind box Altitude meter ANSWER DOWNLOAD EXAMIANS APP
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