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Problem 7 A long straight wire of 15 turns carries a current of 20A. The conductor is surrounded by air. Find the magnetic fi
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Solwan + - - - 10-20 rebedoelho - ;) used Ampere Circuit law (Hadlani H. (283) =NI HE NI 228 MAR H= 15 x 20 2X X0.2 H=238.73

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