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Two long straight current carrying wires are arranged as shown:

Created for Albert.io by Judy Stucky. Copyright 2016. All rights reserved.

At what distance, as measured from Wire A, would the two magnetic fields cancel?

$\frac{2}{5} \text { } cm$

$\frac{2}{3} \text { } cm$

$\frac{3}{2} \text { } cm$

$2 \text { } cm$

$7.5 \text { } cm$