Physics If a copper wire is increased to double its length, its resistance will become Double One–fourth Four times Half Double One–fourth Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Circuit Element Filament Cells Circuit Element Filament Cells 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 Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is the rate of change of Jounce Velocity Jerk Speed Jounce Velocity Jerk Speed ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Greater than the weight of the man Less than the weight of the man Same as the weight of the man Zero Greater than the weight of the man Less than the weight of the man Same as the weight of the man Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Isaac Newton Stephen Hawking Hans Bethe Albert Einstein Isaac Newton Stephen Hawking Hans Bethe Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
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