An arc lamp requires a direct current of
Question:

An arc lamp requires a direct current of $10 \mathrm{~A}$ at $80 \mathrm{~V}$ to function. If it is connected to a $220 \mathrm{~V}(\mathrm{rms}$ ), $50 \mathrm{~Hz}$ AC supply, the series inductor needed for it to work is close to :- 

  1. $0.065 \mathrm{H}$

  2. $80 \mathrm{H}$

  3. $0.08 \mathrm{H}$

  4.  $0.044 \mathrm{H}$


Correct Option: 1

Solution:

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