Two parallel wires carry currents of 5 A and 10 A in opposite directions and are 0.1 m apart. What is the force per unit length between the wires? (μ₀ = 4π × 10⁻⁷ T m/A)
Lagos State University PHY102 2025 past question
- 1 × 10⁻⁴ N/m, repulsive
- 1 × 10⁻⁴ N/m, attractive
- 1 × 10⁻⁵ N/m, repulsive
- 1 × 10⁻⁵ N/m, attractive
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