Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Current Both A & B Voltage None Current Both A & B Voltage None ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the top Can be anywhere At the bottom At the middle At the top Can be anywhere At the bottom At the middle ANSWER DOWNLOAD EXAMIANS APP
Physics In the Earth, the weight of a body is maximum at the Equator North Pole Surface South Pole Equator North Pole Surface South Pole ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Water Earth's heat Both A & B None of these Water Earth's heat Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Concave Cylindrical Convex Plane Concave Cylindrical Convex Plane ANSWER DOWNLOAD EXAMIANS APP
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