A long, straight wire carries a current `i`. The magnetizing field intensity `H` is measured at a
Channel: Doubtnut
Date: 2020-07-12

A long, straight wire carries a current `i`. The magnetizing field intensity `H` is measured at a point `P` close to the wire. A long, cylindrical iron rod is brought close to the wire so that the point `P` is at the centre of the rod. The value of `H` at `P` will