magnetic field is 5 T at a point which is 2R distance away from the...
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magnetic field is 5 T at a point which is 2R distance away from the axis of wire Magnetic field at a point R which is distance inside from the surface of the wire is 3 A 10 13 B 20 3 HT C 5 T 3HT D 40 3 T Solution B The magnetic field outside the solid wire at distance r is Boutside Here r 2R Boutside Binside Here r Binside HOI 2 r D For magnetic field at distance r inside the wire is Binside 5 T Given MOI 4TR HOI 2TR2 R HOI 2TR 5 T R 3 X Using equations 1 and 2 2R 3 2R HOI 3 3TR HOI 3TR 4 2 1 2
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