Answer to Question #86676 in Electricity and Magnetism for Chandan

Question #86676

Two long, straight, parallel wires 24 cm apart carry currents of I1 = 30A andI2 = 20A in the same direction. Determine the magnetic field in the plane of the twowires at a point halfway between the wires.

Expert's answer

Induction of the direct wire field B = μ₀I/2πr, in accordance with the principle of superposition B_h = μ₀ (I₁ - I₂)/πl = 4*10^-7*10/ 0.24 = 16.7 (mT).

So, B = 16.7 mT.

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Ravi Naik

23.03.19, 08:02

I need a answer for the same question above

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21.03.19, 16:51

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Chandan

21.03.19, 03:33

Metallic iron contains approximately 1029 atoms per cubic meter. The magnetic moment of each iron atom is 1.8 × 10−23 Am−1. If all the dipoles were perfectly aligned what would be the magnetisation M and the magnetic moment of a bar 10 cm long and 1cm2 in cross-section?

Answer to Question #86676 in Electricity and Magnetism for Chandan

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