Mathematics · Magnetic Effects of Current
Two infinitely long parallel wires, separated by a distance d, carry the same current 'I' in the same direction. The force per unit length between them is F. If the current in one of the wires is tripled while keeping all other parameters the same, what will be the new magnitude of the force between them?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13F✓
- 29F
- 3F/9
- 4F/3
Correct answer
3F
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