Physics Optic fibres are used in : Endoscopy Ultrasound scans CAT scans X-ray photos Endoscopy Ultrasound scans CAT scans X-ray photos ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as: Faraday's law Avogadro's law Ohms law Rault's law Faraday's law Avogadro's law Ohms law Rault's law 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 Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Flow of water Burning of coal Production of steam Burning of diesel Flow of water Burning of coal Production of steam Burning of diesel ANSWER DOWNLOAD EXAMIANS APP
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