Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction

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Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction, the magnetic field at a point mid way between the wires is 10μT. If i2 is reverse the field becomes 30μT. The ratio i1/i2 is
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Nov
Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction, the magnetic field at a point mid way between the wires is 10μT. If i2 is reverse the field becomes 30μT. The ratio i1/i2 is the magnetic field at a point [...]
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Tags: the magnetic field at a point mid way between the wires is 10μT. If i2 is reverse the field becomes 30μT. The ratio i1/i2 is , Two parallel long wires A and B carry currents i1 and i2( smaller then i1). When i1 and i2 are in the same direction ,