1.

A coaxial cable consists of a thin inner current carrying conductor fixed along the axis of a hollow current conductor, Let B_(1) and B_(2) be the magnetic fields in the region between the conductors, and outside the conductor respectively.

Answer»

`B_(1) != 0, B_(2) != 0` for CONDUCTORS carrying equal CURRENTS in opposite DIRECTIONS
`B_(1) != ), B_(2) = 0`, for conductors carrying equal currents in opposite directions
`B_(1) != 0, B_(2) != 0`, for conductors carrying equal currents in same directions
`B_(1) = B_(2)` for conductors carrying equal currents in same directions at distance x and 2x from the axis respectively. 2x gt the radius of the outer CABLE and x lies between the cables.

Answer :B::C::D


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