Current of mA flowing in a long straight wire enters a uniform circular loop of radius R = 3÷4 m at pointP and exits at point Q to again pass through anotherlong wire shown. The net magnetic field at the centreof the loup is what?

Current of mA flowing in a long straight wire enters a uniform circu

1.	Current of mA flowing in a long straight wire enters a uniform circular loop of radius R = 3÷4 m at pointP and exits at point Q to again pass through anotherlong wire shown. The net magnetic field at the centreof the loup is what?
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