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23-01-2024
Physics

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An arc lamp requires a direct current of 10 a at 80 v to function. if it is connected to a 220 v (rms), 50 hz ac supply, the series inductor needed for it to work is close to
a) 22.3 μH
b) 18.7 μH
c) 25.6 μH
d) 20.2 μH

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