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MHT CET202410 May 2024Evening ShiftPhysicsAlternating CurrentActual

A transformer has 120 turns in the primary coil and carries 5 A current. Input power is one kilowatt. To have 560 V output, the number of turns in secondary coil will be

Options

  1. A168
  2. B200
  3. C336
  4. D400

Correct answer

C. 336

Step-by-step solution

aligned & N_s N_p = V_s V_p & P=V I & .1000=V_p 5 ...(given P=1 ~kW , I =5 ~A ) & V _ p = 1000 5 =200 ~V & ~N _ s 120 = 560 200 & ~N _ s = 120 560 200 =336 aligned

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