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AP EAMCET2008PhysicsAlternating Current

The number of turns in primary and secondary coils of a transformer is 50 and 200 respectively. If the current in the primary coil is 4 ~A , then the current in the secondary coil is

Options

  1. A1 ~A
  2. B2 ~A
  3. C4 ~A
  4. D5 ~A

Correct answer

A. 1 ~A

Step-by-step solution

In a transformer array rlrl & & N_P N_S & = I_S I_P & 50 200 & = I_S 4 & I_S & =1 ~A array

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