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 can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal humidity and partial vacuum are maintained. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the correct sequence of passage of light in a compound microscope? Condenser -Objective lens -Body tube -Eyepiece Objective lens -Condenser -Body tube -Eye piece Condenser -Objective lens -Eye -piece -Body tube Eyepiece -Objective lens -Body tube -Mirror Condenser -Objective lens -Body tube -Eyepiece Objective lens -Condenser -Body tube -Eye piece Condenser -Objective lens -Eye -piece -Body tube Eyepiece -Objective lens -Body tube -Mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: High voltage to low voltage Alternating current to Direct current Direct current to Alternating current Low voltage to high voltage High voltage to low voltage Alternating current to Direct current Direct current to Alternating current Low voltage to high voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Nichrome Tungsten Steel Brass Nichrome Tungsten Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Nuclear Energy Renewable Energy None of these Fossil fuel Nuclear Energy Renewable Energy None of these Fossil fuel ANSWER DOWNLOAD EXAMIANS APP
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