Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: Mixing ratio Specific humidity Absolute humidity Relative humidity Mixing ratio Specific humidity Absolute humidity Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Clouds Animals Sun Rain water Clouds Animals Sun Rain water ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 2R R/2 5R/4 3R/4 2R R/2 5R/4 ANSWER DOWNLOAD EXAMIANS APP
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