Physics A voltaic cell converts chemical energy to Heat energy Electrical energy Light energy Mechanical energy Heat energy Electrical energy Light energy Mechanical energy 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 lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics In case of uniform circular motion, the acceleration is Zero Variable in magnitude but tangential to the circle Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards Zero Variable in magnitude but tangential to the circle Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? None of these Scanning tunneling microscopes Electron microscopes Optical microscopes None of these Scanning tunneling microscopes Electron microscopes Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from northeast east west southeast northeast east west southeast ANSWER DOWNLOAD EXAMIANS APP
Physics An electric fuse is based on The magnetic effect of the current The chemical effect of the current All of these The heating effect of the current The magnetic effect of the current The chemical effect of the current All of these The heating effect of the current ANSWER DOWNLOAD EXAMIANS APP
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