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Q. A transformer connected to $220\, V$ line shows an output of $2\, A$ at $11000\, V$. The efficiency is $100 \%$. The current drawn from the line is

Electromagnetic Induction

Solution:

$\frac{V_{s}}{V_{p}}=\frac{i_{p}}{i_{s}}$
$\Rightarrow i_{p}=\frac{11000 \times 2}{220}$
$=100\, A$