Two Parallel Wires,separated by the Distance of 2 Cm,carry the Currents

question 8

Multiple Choice

Two parallel wires,separated by the distance of 2 cm,carry the currents I₁ = 1 A and I₂ = 2 A in the same direction.How far from the wire carrying the current I₁ is the magnetic field zero?

• A)never 0
• B)1.00 cm
• C)0.667 cm
• D)3.00 cm
• E)2.00 cm

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