Physics Copper wires are generally used for electrical power transmission instead of iron wire because : 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 Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Production of steam Burning of diesel Burning of coal Flow of water Production of steam Burning of diesel Burning of coal Flow of water ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 10 MeV 0.1 MeV 1 MeV 100 MeV 10 MeV 0.1 MeV 1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Joule is Equal to 10^6 ergs 10^5 ergs 10^3 ergs 10^7 ergs 10^6 ergs 10^5 ergs 10^3 ergs 10^7 ergs ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Linear momentum Energy Angular momentum Force Linear momentum Energy Angular momentum Force ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant speed It must have constant direction None of these It must have constant speed in constant direction It must have constant speed It must have constant direction None of these It must have constant speed in constant direction ANSWER DOWNLOAD EXAMIANS APP
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