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6 lines
191 B
Plaintext
6 lines
191 B
Plaintext
∮𝐁⋅d𝐥 = B(s) sπs = μ₀[∫𝐉⋅n̂da + ε₀ d/dt ∫𝐄⋅n̂da]
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∫𝐉⋅n̂da = 0
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For capacitor:
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│𝐄│ = σ/ε₀ ⇒ B(s) 2πs = μ₀ ε₀ d/dt σ(t)/ε₀ πs² |