Eddy currents are used in

Options :
  1. electrolysis
  2. making a galvanometer dead beat
  3. electroplating
  4. to increase sensitivity of galvanometer
Answer and Explanation :-

Answer: Option 2

Explanation:

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He watched the scene and thought of life and (as always happened when he thought of life) he became sad. A gentle melancholy took possession of him. He felt how useless it was to struggle against fortune, this being the burden of wisdom which the ages had bequeathed him.
-James Joyce Dubliners