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GK QUESTION#3077

Assertion (A): Alessandro Volta invented the voltaic pile in 1800, which was the first chemical battery. Reason (R): Andre-Marie Ampere is known for his work in electromagnetism.

  1. ABoth A and R are true, but R is not the correct explanation of A.Correct answer
  2. BBoth A and R are true, and R is the correct explanation of A.
  3. CA is true, but R is false.
  4. DA is false, but R is true.
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Answer

A. Both A and R are true, but R is not the correct explanation of A.

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Explanation

Alessandro Volta developed the voltaic pile in 1800. André-Marie Ampère later made major contributions to electrodynamics and electromagnetism. Both statements are true, but Ampère’s separate work does not explain the earlier invention of the pile.

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