Physics Positive feedback is used in Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers Oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The size of gear is usually specified by Pressure angle Circular pitch Diametral pitch Pitch circle diameter Pressure angle Circular pitch Diametral pitch Pitch circle diameter ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Faraday's law of Electromagnetic induction Optical interference Motion of charged particle in electromagnetic fields Wave Nature of electrons Faraday's law of Electromagnetic induction Optical interference Motion of charged particle in electromagnetic fields Wave Nature of electrons ANSWER DOWNLOAD EXAMIANS APP
Physics Echolocation is an adaptation bats use to Find warm places for hibernation Hunt insects in flight Locate flowering plants All of these Find warm places for hibernation Hunt insects in flight Locate flowering plants All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following terms is not used in the field of physics? Latent heat Refractive index Stock value Nuclear fusion Latent heat Refractive index Stock value Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
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