Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Current unloader Surge protector Voltage unloader Heat protector Current unloader Surge protector Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 2 4 0.1 0.05 2 4 0.1 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is used to measure humidity? Hygrometer Hydrometer Anemometer Psycho Meter Hygrometer Hydrometer Anemometer Psycho Meter ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by Increasing the number of turns Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns Increasing current supply Increasing the length of the coiled wire All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency ANSWER DOWNLOAD EXAMIANS APP
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