Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron 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. 40 4000 2000 80 40 4000 2000 80 ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Work Inertia Energy Momentum Work Inertia Energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal density Equal weight Equal volume Equal mass Equal density Equal weight Equal volume Equal mass ANSWER DOWNLOAD EXAMIANS APP
Physics A microscope used in pathological laboratories forms Magnified, virtual and inverted image Diminished, real and erect image Magnified, virtual, erect image Diminished, virtual and erect image Magnified, virtual and inverted image Diminished, real and erect image Magnified, virtual, erect image Diminished, virtual and erect image ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''Isoneph' indicates the lines of equal Cloudiness Rainfall Pressure Salinity Cloudiness Rainfall Pressure Salinity ANSWER DOWNLOAD EXAMIANS APP
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