Navigate

A step-up transformer operates on a 230 V line and supplies a current of 2 A.

A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary and secondary winding is 1:25. The primary current is

Options

(a) 12.5 A
(b) 50 A
(c) 8.8 A
(d) 25 A

Correct Answer:

50 A

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

UK2014
admin:

Related Questions

  1. With the decrease of current in the primary coil from 2 amperes to zero value
  2. At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
  3. A body of mass m slides down an incline and reaches the bottom
  4. Two 220V – 100W bulbs are connected first in series and then in parallel.
  5. An unpolarised beam of intensity I₀ falls on a polaroid. The intensity