1.

A toroid has a core (non - ferromagnetic) of inner radius 25 cm and outer radius 26 cm, around which 3500 turns of a wire are wound. If the current in the wire is 11 A, what is the magnetic fields, outside the toroid, inside the core of the toroid and in the empty space surrounded by the toroid are

Answer»

`0,3XX10^(-2)T,0`
`3xx10^(-2)T,0,0`
`0,0,3xx10^(-2)T`
`3xx10^(-2)T,0,3xx10^(-2)T`

ANSWER :A


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