Ampère's Law · ∮ B·dℓ = μ₀ I_enc
unseel.com · Wire · Amperian loop · Solenoid · Maxwell's correction
Current I 5 A
∮ B·dℓ 0
Stage setup
Current I (wire)
Magnetic field B
Amperian loop dℓ
Enclosed / result
Unseel.com · Ampère's Law