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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two paralell long wires carry currents i1 and i2 with i1 >i2. When the currents are in the same direction. the magnetic field midway between the wires is 10 muT. When the direction of i2 is reversed, it becomes 40 muT. the ratio i1/i2 is

Two paralell long wires carry currents i1 and i2 with i1 >i2. When the currents are in the same direction. the magnetic field midway between the wires is 10 muT. When the direction of i2 is reversed, it becomes 40 muT. the ratio i1/i2 is

Two very thin metallic wires placed along X and Y axes carry equal currents as shown AB and CD are lines at 45∘ with the axes having origin at O the magnetic field will be zero on the line