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 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) 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 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 wire carry currents i_(1) and i_(2) with i_(1) gt i_(2) . When the currents are in the same direction , the magnetic field midway between the wires is 10 muT . When the direction of i_(2) is reversed, it becomes 40 muT . The ratio i_(1)//i_(2) is