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 The instrument for measuring intensity of earthquakes is called Ergograph Seismograph Pantagraph Ediograph Ergograph Seismograph Pantagraph Ediograph ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Insulator Super-conductor Semi-conductor Metallic-conductor Insulator Super-conductor Semi-conductor Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Fresh water Mercury Petrol Salt water Fresh water Mercury Petrol Salt water ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Marie Curie Henry Bacquerel Earnest Rutherford Enrico Fermi Marie Curie Henry Bacquerel Earnest Rutherford Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Unequal heating of different parts of the atmosphere ANSWER DOWNLOAD EXAMIANS APP