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 electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 80 J 2268 J 336 J 4.2 J 80 J 2268 J 336 J 4.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics One Kilowatt hour is equal to - 3.6 Mega Joule 4.0 Mega Joule 3.8 Mega Joule 3.2 Mega Joule 3.6 Mega Joule 4.0 Mega Joule 3.8 Mega Joule 3.2 Mega Joule ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 60 cm. 90 cm. 30 cm. 120 cm. 60 cm. 90 cm. 30 cm. 120 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant direction It must have constant speed It must have constant speed in constant direction None of these It must have constant direction It must have constant speed It must have constant speed in constant direction None of these ANSWER DOWNLOAD EXAMIANS APP