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Questions and Answers
What does Ampere's circuital law state?
What does Ampere's circuital law state?
- The magnetic field inside a conductor is proportional to the current passing through it
- The magnetic field created by a current-carrying wire forms concentric circles around the wire
- The line integral of the magnetic field around a closed loop is equal to the permeability times the current enclosed by the loop (correct)
- The magnetic field around a current-carrying wire is inversely proportional to the distance from the wire
What is the significance of Ampere's circuital law?
What is the significance of Ampere's circuital law?
- It describes the behavior of magnetic fields in ferromagnetic materials
- It quantifies the force between two current-carrying conductors
- It provides a mathematical relationship between magnetic fields and electric currents (correct)
- It explains the generation of magnetic fields by permanent magnets
In which form is Ampere's circuital law usually expressed in integral form?
In which form is Ampere's circuital law usually expressed in integral form?
- ∇×B = μ₀J
- B = μ₀H
- ∮B⋅dl = μ₀Ienc (correct)
- B = μ₀J
