A step down transformer connected to an ac mains supply of \( 220 \mathrm{~V} \) is made to operate at \( 11 \mathrm{~V}…
Q1
A step down transformer connected to an ac mains supply of \( 220 \mathrm{~V} \) is made to operate at \( 11 \mathrm{~V}, 44 \mathrm{~W} \) lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
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