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HPRF

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## Homework Statement

Find the B-field between two ribbons with the current flowing in opposite directions on each.

## Homework Equations

Biot-Savart equation

## The Attempt at a Solution

In attempting to solve this I have found the B-field due to an infinite wire is

B= (mu)I/2(pi)r

Were r is the distance from the wire to the point at which B-field exists.

Can someone tell me if this equation is directly applicable to the B-field from two parallel plates?