magnetism

[grizzled hawk]

Why is this wrong, if i take emperial loop outside the wire, there is magnetic field there but the law says it's zero

[onyx linden]

<@&1227987967939838003>

Note for OP

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[solemn cypress]

If the loop is vertical Field lines are perpendicular to your dl vector thus cos90 = 0.
If the loop is horizontal the B.dl value cancels its counterpart

[grizzled hawk]

Didn't understand what u said in the second line

[solemn cypress]

Notice since dl in opp direction generates negative of its counterpart

[solemn cypress]

@grizzled hawk

[grizzled hawk]

Yes yes thanks

+solved @solemn cypress