Exam-style question
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What does Lenz's law state about the direction of induced current?.
- A.It opposes the change that created it.
- B.It enhances the change that created it.
- C.It has no relation to the change.
- D.It is always in the same direction as the change.
Model answer
What a good answer should say
- It opposes the change that created it.
Explanation
Why this works
Lenz's law states that the direction of induced current is such that it opposes the change in magnetic flux that produced it. This is a fundamental principle in electromagnetic induction.
Common mistake
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