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Inductors in Circuits

Seven identic...

Question

Seven identical lamps of resistance $220 Ω$ each are connected to a $220 V$ line as shown in figure. Then the reading in the ammeter will be :

\frac{1}{10} A

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\frac{2}{5} A

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\frac{3}{10} A

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None of these

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Solution

The correct option is B None of these
The reading of the ammeter = current passing through ammeter = $I_{2} = \frac{220}{440} = \frac{1}{2} A$

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