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Manipal MET2018PhysicsAlternating Current

In a step-up transformer the voltage in the primary is 220 V and the current is 5 A . The secondary voltage is found to be 22000 V . The current in the secondary (neglect losses) is

Options

  1. A5 A
  2. B50 A
  3. C500 A
  4. D0.05 A

Correct answer

D. 0.05 A

Step-by-step solution

V_s V_p = I_s I_p I_s=I_p V_s V_p =5 220 22000 =0.05 ~A

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