What is the field 1 cm from the wire?

The magnetic field 10 cm from a wire carrying a 1 A current is 2 μT.

What is the field 1 cm from the wire?

1 Answer

  • B = mu-nought * I / (2*pi*r)

    is the simplest form of the Biot-Savart law;

    the field at 1/10 of the original distance from the (center of the) wire will be 10 times the first field:

    20 microtesla.

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