Final answer:
The induced field of a loop creates poles like a magnet, where charges in the loop moving in a magnetic field experience a force, resulting in an induced electromotive force (emf) that can be calculated using the formula for motional emf as well as changes in magnetic flux.
Step-by-step explanation:
The induced magnetic field of a loop is like a magnet with the north and south poles around the loop, respectively. The force on the loop, known as the Lorentz force, arises because charges in the wires of the loop experience the magnetic force when they move in a magnetic field. The emf induced in the loop can be calculated using motional emf, which is given by the equation A = Blv sin <0>, where B is the magnetic field, l is the length of the side of the loop, and <0> is the angle between the velocity and the magnetic field. When the magnetic flux changes through a conducting loop, according to Faraday's Law, an emf is induced, which can be expressed as ΔΦ = Δ(BA cos θ)= ABΔ(cos θ) where Φ0; is the angular velocity and θ; is the angle related to this angular velocity over time.