Compare the AC and DC Arc lamps.

Compare the AC and DC Arc lamps.
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1 Answer

Answer :

AC Arc Lamp
DC Arc Lamp
Cross section area of electrode is same
Cross section area of electrode is positive rod is twice that of negative rod
Series inductor is used for stability
Series resistance used for stability
Voltage required is (39 +2.8 L)V Where L is length of arc in mm 
Voltage is required 40V to 60V
AC supply is used for AC arc lamp
DC supply is used for DC arc lamp
Luminous efficiency is less
Luminous efficiency is high
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