JEE Main 16 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 20 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, giving the output power at 230 V. If the current in the primary of the transformer is 5 A, and its efficiency is 90%, the output current wouldbe :

[Main 16 April 2018 S1]

50 A
45 A
25 A
20 A

Validate

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