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QUESTION
An Infinitely long wire of radius a carries a uniform current with current density J1. the wire is surrounded by a spherical conducting shell carrying a total uniform current i2. Both current have the
An Infinitely long wire of radius a carries a uniform current with current density J1. the wire is surrounded by a spherical conducting shell carrying a total uniform current i2. Both current have the same direction and pint into the page. Calculate the magnetic field for (1) r
