Physics During hot weather, the fan produces a feeling of comfort. This is because Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It is a good conductor It has a very high melting point It is malleable It is economical It is a good conductor It has a very high melting point It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 0.2 J 5 J 20 J 500 J 0.2 J 5 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics For which Diode is used ? Amplification Purification Oscillation Modulation Amplification Purification Oscillation Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of energy in MKS system is Volt Erg Ohm Joule Volt Erg Ohm Joule ANSWER DOWNLOAD EXAMIANS APP
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