A high power line carrying 1000 A generates what magnetic field at the ground, 10 m away?

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Given

`I=1000A`

R=10m

Magnetic field B is

`B=(mu_0 I)/((2pi) R) T`

`=(4pixx10^(-7)xx10^(3))/(2pixx10) T`

`=2xx10^(-5)T`

Ans.

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