Two parallel long wires carry currents `i_(1)` and `i_(2)` with `i_(1) gt i_(2)` .When the current are in the same direction, the magnetic field at a point midway between the wire is `20muT`.If the direction of `i_(1)`,is reversed.the field becomes `30muT`.The ratio `i_(1)//i_(2)` is

Two parallel, long wires carry current i_(1) and i_(2) with i_(1)gti_(2) . When the currents are in the same direction, the magnetic field at a point midway between the wires is 30 muT . If the direction of i_(1) is reversed , the field becomes 90muT . The ratio i_(1)//i_(2) is

Two parallel, long wires carry current i_(1) and i_(2) with i_(1)gti_(2) . When the currents are in the same direction, the magnetic field at a point midway between the wires is 30 muT . If the direction of i_(1) is reversed , the field becomes 90muT . The ratio i_(1)//i_(2) is

Two parallel, long wires carry currents i_(1) "and" i_(2) with i_(1)gti_(2) . When the currents are in the same direction, the magnetic field at a point midway between the wires is 10 mu T. If the direction of i_(2) is reversed, the field becomes 30 mu T. Find the ratio i_(1)/i_(2) .

Two parallel, long wires carry currents t_(1) "and" t_(2) with t_(1)gtt_(2) . When the currents are in the same direction, the magnetic field at a point midway between the wires is 10 mu T. If the direction of i_(2) is reversed, the field becomes 30 mu T. Find the ratio i_(1)i_(2) .

Two parallel, long wires carry currents i_1 and i_2 with i_1gti_2 . When the currents are in the same direction, the magnetic field at a point midway between the wires is 10mu T. If the direction of i_2 is reversed, the field becomes 30mu T . The ration i_1/i_2 is

Two parallel, long wires carry currents i_1 and i_2 with i_1gti_2 . When the currents are in the same direction, the magnetic field at a point midway between the wires is 10mu T. If the direction of i_2 is reversed, the field becomes 30mu T . The ration i_1/i_2 is

Two parallel, long wires carry currents i_1 and i_2 with i_1gti_2 . When the currents are in the same direction, the magnetic field at a point midway between the wires is 10mu T. If the direction of i_2 is reversed, the field becomes 30mu T . The ration i_1/i_2 is

Two long parallel wires carry currents i_(1) and i_(2) such that i_(1) gt i_(2) . When the currents are in the same direction, the magnetic field at a point midway between the wires is 6xx10^(-6)T . If the direction of i_(2) is reversed, the field becomes 3xx10^(-5)T . The ratio (i_(1))/(i_(2)) is