Physics What is the name of the device used to convert alternating current into direct current ? Ammeter Galvanometer Transformer Rectifier Ammeter Galvanometer Transformer Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics During washing of clothes, we use indigo due to its Better cleaning action High glorious nature Very low cost Proper pigmental composition Better cleaning action High glorious nature Very low cost Proper pigmental composition ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Micro waves Radio waves X-rays Gama rays Micro waves Radio waves X-rays Gama rays ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and moist Cool and moist Cool and dry Warm and dry Warm and moist Cool and moist Cool and dry Warm and dry ANSWER DOWNLOAD EXAMIANS APP
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