Physics Water cannot be used to extinguish fire caused by electric current, because It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It has a very high melting point It is economical It is malleable It is a good conductor It has a very high melting point It is economical It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 10.0 µ bar 0.0002 µ bar 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar 5.0 µ bar 0.005 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Hot and dry climate Hot and humid climate Cool and humid climate Cool and dry climate Hot and dry climate Hot and humid climate Cool and humid climate Cool and dry climate ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Not work at all Work as efficiently as on the earth Work with increased efficiency Work with reduced efficiency Not work at all Work as efficiently as on the earth Work with increased efficiency Work with reduced efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths ANSWER DOWNLOAD EXAMIANS APP