Physics · Magnetic Effects of Current
Two long, straight, parallel conductors carrying steady currents I1 and I2 in the same direction are separated by a distance d. The force exerted by one conductor on a unit length of the other is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1μ0I1I24πd, attractive
- 2μ0I1I24πd, repulsive
- 3μ0I1I22πd, attractive✓
- 4μ0I1I22πd, repulsive
Correct answer
μ0I1I22πd, attractive
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