Physics · 2024
JEE Main · 1 February 2024, Shift 2 · Q43
A transformer has an efficiency of 80% and works at 10 V and 4 kW. If the secondary voltage is 240 V, then the current in the secondary coil is:
A transformer has an efficiency of $\displaystyle 80$% and works at $\displaystyle 10$ V and $\displaystyle 4$ kW. If the secondary voltage is $\displaystyle 240$ V , then the current in the secondary coil is :
Official answer
From NTA’s final answer key for this paper.
(1)
13.$\displaystyle 33$ A
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.