Two parallel wires carry currents of 20 A and 40 A in opposite directions. Another wire carying a current anti parallel to 20 A is placed midway between the two wires. T he magnetic force on it will be
(a) towards 20 A
(b) towards 40 A
(c) zero
(d) perpendicular to the plane of the currents.
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Answer:
towards 40 A
Explanation:
it would be attracted high current
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