Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is a good conductor It is economical It is malleable It has a very high melting point It is a good conductor It is economical It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun It has a low specific heat capacity It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun It has a low specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Reflection Interference Illumination Refraction Reflection Interference Illumination Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Wind energy Solar energy Geothermal energy Tidal energy Wind energy Solar energy Geothermal energy Tidal energy ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Charge Resistance Potential Charge/ potential ratio Charge Resistance Potential Charge/ potential ratio ANSWER DOWNLOAD EXAMIANS APP