Physics · Electromagnetic Induction
According to Lenz's law, the direction of an induced electromotive force (emf) or current is such that it:
- 1completely eliminates the electric potential of the circuit.
- 2permanently strengthens the external applied magnetic field.
- 3opposes the change in magnetic flux that produces it.✓
- 4assists the change in magnetic flux that produces it.
Correct answer
opposes the change in magnetic flux that produces it.
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