Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Surge protector Heat protector Voltage unloader Current unloader Surge protector Heat protector Voltage unloader Current unloader ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Specific gravity Conductance Melting point Resistance Specific gravity Conductance Melting point Resistance ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Refraction Damped vibrations Forced vibrations Reflection Refraction Damped vibrations Forced vibrations ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Aluminium Silver Iron Copper Aluminium Silver Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Glass Glycerine Water Air Glass Glycerine Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against Gamma rays X-rays Infra-red rays Ultra-violet rays Gamma rays X-rays Infra-red rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
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