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GK QUESTION#2978

In 1834, who stated the rule that an induced current opposes the change in magnetic flux producing it?

  1. ADavid Brewster
  2. BHenry Moseley
  3. CChristian Johann Doppler
  4. DHeinrich Friedrich LenzCorrect answer
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Answer

D. Heinrich Friedrich Lenz

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Explanation

Heinrich Friedrich Lenz stated the direction rule in 1834. The induced current produces a magnetic effect opposing the change in magnetic flux that causes it. It opposes the change, not necessarily the original magnetic field.

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