Consider three long straight parallel wire as shown in figure. Find the force experienced by a `25 cm` length of wire `C`.
Text Solution
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Repulsion by wire `D`,[towards right] `F_1=mu_0/(2pi) (i_1i_2l)/r` `=((2xx10^-7)(30xx10))/(3xx10^I-2)(0.25)` `=5xx10^-4N` Repulsion by wire G `F_2=((2xx10^-7)(20xx10))/((5xx0^-2)(0.25)` [towards left] `=2xx10^-4N` `F_(net)=F_1-F_2` `=3xx10^-4N` [towards right]
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