<p>(a) Out of the arangements, given below for winding of primary and secondary coils in a transformer, which arrangement do you think will have higher efficiency and why ?</p>

<p>(b) Show that in an ideal transformer, when the voltage is stepped up by a certain factor, the current gets stepped down by the same factor.</p>

<p>(c) State any two causes of energy loss in a transformer.</p>

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