Two long parallel wires carrying equal curren | vedclass

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Question

(c) $\frac{F}{l} = \frac{{{\mu _0}}}{{4\pi }} 	imes \frac{{2{i_1}{i_2}}}{a} = \frac{{{\mu _0}}}{{4\pi }}\frac{{2{i^2}}}{a}\;\;(\;{i_1} = {i_2} = i)$

Vedclass · Accepted Answer

$1.0 \,A$

Vedclass · Answer

(c) $\frac{F}{l} = \frac{{{\mu _0}}}{{4\pi }} 	imes \frac{{2{i_1}{i_2}}}{a} = \frac{{{\mu _0}}}{{4\pi }}\frac{{2{i^2}}}{a}\;\;(\;{i_1} = {i_2} = i)$
$ \Rightarrow 2 	imes {10^{ - 7}} = {10^{ - 7}} 	imes \frac{{2{i^2}}}{1} \Rightarrow i = 1\,A$

Two long parallel wires carrying equal current separated by $1\,m$, exert a force of $2 \times {10^{ - 7}}\,N/m$ on one another. The current flowing through them is

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