Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
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 A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? Circle Great circle Parabolic Hyper–parabolic Circle Great circle Parabolic Hyper–parabolic ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 500W 50W 1000W 25W 500W 50W 1000W 25W ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Gravitational force Low viscosity of oil Capillary action Pressure difference Gravitational force Low viscosity of oil Capillary action Pressure difference ANSWER DOWNLOAD EXAMIANS APP
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