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JEEMAIN-2016
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Q)
An arc lamp requires a direct current of 10 A at $80\; V$ to function. It is connected to a $220 \;V(rms), 50\; Hz$ AC supply, the series inductor needed for it to work is close to :
$\begin{array}{1 1} (1) 80\;H \\ (2) 0.08\;H \\ (3) 0.044\;H \\ (4) 0.065\;H \end{array} $
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