JEE Main 9 Jan 2019 Shift 2 Solved Paper

Section: Physics

Question : 27 of 90

Marks: +1, -0

A power transmission line feeds input power at 2300 V to a step down transformer with its primary windings having 4000 turns. The output power is delivered at 230 V bv the transformer. If the current in the primary of the transformer is 5A and its efficiency is 90%, the output current would be :

[9 Jan 2019 Shift 2]

25 A
50 A
35 A
45 A

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