MCQ
The frequency of $A.C$ mains in India is :
  • A
    $30Hz$
  • $50Hz$
  • C
    $60Hz$
  • D
    $120Hz$

Answer

Correct option: B.
$50Hz$
In India, the $AC$ mains supply is referred to as single $-$ phase alternating current and corresponds to a voltage of $230V$ at a frequency of $50Hz,$ similar to most European countries. Whereas in the $\ce{USA, AC}$ mains supply uses $60Hz$

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