Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Current unloader Voltage unloader Heat protector Surge protector Current unloader Voltage unloader Heat protector Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 273°C 0°C 4°C 100°C 273°C 0°C 4°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Acid-base interaction Dialysis Dissociation of electrolytes Oxidation-reduction Acid-base interaction Dialysis Dissociation of electrolytes Oxidation-reduction ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the principle of refraction interference total internal reflection scattering principle of refraction interference total internal reflection scattering ANSWER DOWNLOAD EXAMIANS APP