faraday's law magnitude

Question

Magnitude of induced emf equals rate of change of?

RankGuru · Accepted Answer

1. **Faraday's First Law**: Whenever the magnetic flux linked with a circuit changes, an electromotive force (emf) is induced in it.
2. **Faraday's Second Law**: The magnitude of this induced emf ($\epsilon$) is directly proportional to the time rate of change of magnetic flux ($\Phi$) through the circuit.
3. **Equation**: $|\epsilon| = \frac{d\Phi}{dt}$.
4. **Flux Definition**: $\Phi = B A \cos 	heta$, so emf can be induced by changing $B$, changing $A$, or changing the orientation $	heta$.

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faraday's law magnitude

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