In mercury arc rectifiers the voltage drop in arc is nearly – McqOptions

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1.	In mercury arc rectifiers the voltage drop in arc is nearly
A.	0.1 volt per centimeter of arc length
B.	1 volt per centimeter of arc length
C.	10 volts per centimeter of arc length
D.	12 to 15 volts per centimeter of arc length.
Answer» D. 12 to 15 volts per centimeter of arc length.

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