Mathematics · Electromagnetism
Two infinite parallel conductors carry currents of 20 A each in the same direction. If the distance between them is 20 cm, what is the magnitude of the force per meter length between the conductors?
- 15 × 10 -4 N
- 23 × 10 -4 N
- 32 × 10 -4 N
- 44 × 10 -4 N✓
Correct answer
4 × 10 -4 N
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