Question

Asked Nov 4, 2019

Step 1

Each wire produces a field with magnitude given by,

Step 2

By Pythagoras theorem, the diagonal of the square has the length *a√2.*

Then, *r*= (*a√*2)*./*2

Therefore,

Step 3

The magnetic field along all the wires will be the same

That is, B1=B2=B3=B4=B

Substitute th...

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