Question

An electric iron draws a current 4 A when connected to a 220 V
mains. Its resistance must be
a)100022 b)5522 c)4422 d) None of these​

Answer 1

Answer:

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Explanation:

An electric iron draws a current of 4 A from 220 V supply line. When voltage of supply is changed, then iron draws a current of 2 A, what is the new voltage applied?

Answer 2

Answer

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