The accompanying figure shows two long, straight, horizontal wires that are parallel and a distance 2a apart. If both wires carry current I in the same direction,
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The accompanying figure shows two long, straight, horizontal wires that are parallel and a distance 2a apart. If both wires carry current I in the same direction,
(a) What is the magnetic field at P1 in terms of μ0, 'I', and 'a'?
(b) What is the magnetic field at P2 in terms of μ0, 'I', and 'a'?
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