Physics · Magnetic Effects of Current
Two long parallel conductors separated by a distance d carry currents I1 and I2 in the same direction, exerting an attractive force F on each other. If the current in one conductor is doubled, its direction is reversed, and the distance between them is increased to 3d, what is the new value of the force between them?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-F3
- 2-2F3✓
- 3F3
- 4-2F
Correct answer
-2F3
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