What is the integral form of Ampere's Law?
Correct Answer: ∮ B · dl = μ₀ I_enclosed
- Step 1: Understand that Ampere's Law relates magnetic fields to electric currents.
- Step 2: Know that the integral form of Ampere's Law involves a closed loop (like a circle).
- Step 3: The magnetic field B is measured along this closed loop.
- Step 4: The line integral means you add up the magnetic field B along the entire loop.
- Step 5: The result of this line integral is equal to μ₀ (a constant) times the total current I that is enclosed by the loop.
- Step 6: Write the equation: ∮ B · dl = μ₀ * I, where ∮ B · dl is the line integral around the loop.
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