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 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 Copper is cheaper than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Visible X-rays Infrared Ultraviolet Visible X-rays Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 0.2 J 5 J 500 J 20 J 0.2 J 5 J 500 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It remains at the same level It rises or sinks depending on the material it is made of It sinks a little It rises a little It remains at the same level It rises or sinks depending on the material it is made of It sinks a little It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Hydro-electric generators Batteries All of these Solar power plants Hydro-electric generators Batteries All of these Solar power plants ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Seismograph Thermograph Ediograph Ergograph Seismograph Thermograph Ediograph Ergograph ANSWER DOWNLOAD EXAMIANS APP
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