Physics Which one among the following components is used as an amplifying device? Transformer Diode Transistor Capacitor Transformer Diode Transistor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Radiation Insolation Convection Conduction Radiation Insolation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
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 lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Seismograph Ediograph Pantagraph Ergograph Seismograph Ediograph Pantagraph Ergograph ANSWER DOWNLOAD EXAMIANS APP
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