Physics The method of magnetisation is: Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it 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 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 Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight ANSWER DOWNLOAD EXAMIANS APP
Physics When heated from 0 to 100oC volume of a given mass of water will : Decrease and then will increase Decrease gradually Increase gradually Increase and then will decrease Decrease and then will increase Decrease gradually Increase gradually Increase and then will decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water depressed will overflow will not rise change its meniscus depressed will overflow will not rise change its meniscus ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 12 24 36 50 12 24 36 ANSWER DOWNLOAD EXAMIANS APP
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