Physics Materials that usually are good conductors of electricity? Wood Nickel Lead Aluminium Wood Nickel Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Infrasonic sound waves Micro sound waves Ultrasonic sound waves Supersonic sound waves Infrasonic sound waves Micro sound waves Ultrasonic sound waves Supersonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Electric field on current Magnetic field on magnet Electric field on magnet Magnetic Field on current Electric field on current Magnetic field on magnet Electric field on magnet Magnetic Field on current ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because 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 Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted All of these Electron Neutron Proton All of these Electron Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
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