Explain Faraday's law and also explain Lent's law. In Detail
Answers
Answer:
Lenz’s law states that
Explanation:
Lenz’s law states that
The induced electromotive force with different polarities induces a current whose magnetic field opposes the change in magnetic flux through the loop in order to ensure that original flux is maintained through the loop when current flows in it.
Named after Emil Lenz, Lenz’s law depends on the principle of conservation of energy and Newton’s third law. It is the most convenient method to determine the direction of the induced current. It states that the direction of an induced current is always such as to oppose the change in the circuit or the magnetic field that produces it.
Lenz’s Law Formula
The Lenz’s Law is reflected in the formula of Faraday’s law. Here the negative sign is contributed from Lenz’s law. The expression is –
[latex]Emf=-N\left ( \frac{\Delta \phi }{\Delta t} \right )[/latex]
Where,
Emf is the induced voltage (also known as electromotive force).
N is the number of loops.
[latex]\Delta \phi [/latex] Change in magnetic flux.
[latex]\Delta t[/latex] Change in time.