Question: 9. Two long straight wires are parallel and carry current in the same direction. The currents are 8.0A and 12A and the wires are

9. Two long straight wires are parallel and carry current in the

9. Two long straight wires are parallel and carry current in the same direction. The currents are 8.0A and 12A and the wires are separated by 0.40cm. The magnetic field in tesla at a point midway between the wires is: (a) 0 (b) 4.0 x 10-4 (c) 8.0 x 10-4 (d) 12 x 10-4 (e) 20 10-4 CONTINUED

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