Two Long,parallel Wires Are Spaced 1 M Apart in Air,and $\times$

question 13

Multiple Choice

Two long,parallel wires are spaced 1 m apart in air,and you have established a current of 1 A in each.The force per unit length that each wire exerts on the other is approximately

• A)2 \(\times\) 10^-6 N/m
• B)2 \(\times\) 10^-5 N/m
• C)2 \(\times\) 10^-7 N/m
• D)2\(\pi\) \(\times\) 10^-5 N/m
• E)2\(\pi\) \(\times\) 10^-6 N/m

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Definitions:

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