A transformer with 55500 turns in its primary is used between a 240V a. c…

A transformer with 55500 turns in its primary is used between a 240V a. c supply and a 120V kettle. Calculate the number of turns in the secondary
  • A.
    11000
  • B.
    2750
  • C.
    460
  • D.
    232
  • E.
    10
Correct Answer: Option B
Explanation

Ep/Es = np/ns
240/120 = 5500/ns
=> ns = 2750

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