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A constant force of 10N is applied perpendicular to rod placed on 2 parallel rails .If the rod is having a resistance 10ohm but rails have zero resistance then maximum speed of rod is :(rails are long & frictionless & magnetic field is 10tesla).

A constant force of 10N is applied perpendicular to rod placed on 2 parallel rails .If the rod is having a resistance 10ohm but rails have zero resistance then maximum speed of rod is :(rails are long & frictionless & magnetic field is 10tesla).

Grade:11

1 Answers

mannam kiran kumar
40 Points
9 years ago

given data:::::---              F=10N ,R=10Ω ,B=10T,              TOFIND ----- VELOCITY

                              WE KNOW THAT  F=qvB

                                                              10=(1.69*10^-19 )*V*10

                                                                  V=1/1.6*10^-19

                                                                     V=6.25*10^18



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