The use of transformer is to change

Options :
  1. the a.c. to d.c.
  2. the voltage to a.c.
  3. the d.c. to a.c.
  4. the mechanical energy to electrical energy
Answer and Explanation :-

Answer: Option 2


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A man is not called wise because he talks and talks again but if he is peaceful, loving and fearless then he is in truth called wise.
-Gautama Buddha The Dhammapada: The Sayings of the Buddha