How can we calculate the net magnetic field at a point exactly half way between two conductors carrying the current in opposite direction?
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we have formula for calculating magnetic field due to straight conductor
B=magnetic permiablity* current/2*r
you can calculate the magnetic field for both conductors individually and since currents are in opposite direction the net magnetic field for each conductor will be opposite to each other hence it will attractive and u can calculate net magnetic field by subtracting the greater magnetic field value with smaller ones and calculate the final value of magnetic field due to two conductors
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