Mathematics · Magnetic Effects of Current
Two long parallel wires kept 2 m apart carry 3 A current each in the same direction. The force per unit length on one wire due to the other is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.0 × 10−7 N/m, attractive✓
- 29.0 × 10−7 N/m, repulsive
- 34.5 × 10−7 N/m, repulsive
- 44.5 × 10−5 N/m, attractive
Correct answer
9.0 × 10−7 N/m, attractive
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