i found it........the image is not displayed well..still draw a imaginary loop around the wires and curl right hand pointing ur 4 fingers along the dir of integration...&thumb pointing upwards.if ur thumb is along the dir of i..then assumeit+i1..viseversa with -i2 ( if) i mean if a situation is like in 2 wires i is flowing in opp dir.... .now in the formula where their is i enq...there u write +i1-i2 that is net i......hope u got it and now u will hav 2 rate me .
if u still hav any doubts relating it u may ask me ,or rather i wuld prefer u study this proof from resnick....it is of 2 pages &i hav given u the jist ..
Moderation Team
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