Concept explainers
Answer to Problem 19Q
The magnetic force on two insulated long wires carrying equal currents I crossing
Solution:
Explanation of Solution
The two conductors experiences torque due to other and tends to a line in such a way that both the conductors carry currents in the same direction.
Since two conductors carry same current and placed perpendicular to each other, it is a situation wherein one current carrying conductor is placed perpendicular to the magnetic field due to other. But two opposite sides of the conductor experience an equal and opposite force separated by a distance, which constitute couple. So, two conductors experiences torque, one clockwise and other counter clockwise till they attain equilibrium. Finally, both the conductors a line in such a that they carry currents in the same direction.
Conclusion:
The two conductor experiences torque due to other and tends to a line in such a way that both the conductors carry currents in the same direction.
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