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 Isotopes of an element contain the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of protons and electrons equal number of nucleons the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of protons and electrons equal number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 1200 m 33 km 3.33 km 0.33 km 1200 m 33 km 3.33 km 0.33 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Van de Graft Generator Betatron Cyclotron Synchrotron Van de Graft Generator Betatron Cyclotron Synchrotron ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ None of these Controlled chain reaction Nuclear fission Nuclear fussion None of these Controlled chain reaction Nuclear fission Nuclear fussion ANSWER DOWNLOAD EXAMIANS APP