In a step-up transformer the ratio of turns of the primary and the secondary is 1 : 25…
Physics · NEET · NTA Exams — Electromagnetic Induction and Alternating Currents
In a step-up transformer the ratio of turns of the primary and the secondary is 1 : 25. If the input voltage is 230 V and the current through the load is 2 A, then the current in the primary is
- 50 A
- 25 A
- 12.5 A
- 6.25 A
Answer
(A) 50 A
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