Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 80 4000 40 2000 80 4000 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Diluting Mixing Forming Doping Diluting Mixing Forming Doping ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Total internal reflection of Light Bernoulli's Principle Photoelectric effect Newton's law of Motion Total internal reflection of Light Bernoulli's Principle Photoelectric effect Newton's law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Storm Cold weather Fair weather Rain Storm Cold weather Fair weather Rain ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Both the stones reach the ground at the same time Smaller stone reaches the ground earlier Depends on the composition of the stone Larger stone reaches the ground earlier Both the stones reach the ground at the same time Smaller stone reaches the ground earlier Depends on the composition of the stone Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP
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