Physics The law of conservation of energy states that Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can either be created nor destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Grid Hub Fuse Conductor Grid Hub Fuse Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 4000 40 2000 80 4000 40 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to ________ meters. 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-3) 10 raised to the power (-12) 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-3) 10 raised to the power (-12) ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement describes the pressure of a gas? 315 K 251 g/cub.cm None of these 450 mm Hg 315 K 251 g/cub.cm None of these 450 mm Hg ANSWER DOWNLOAD EXAMIANS APP
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