humid weather

dry weather

winter

hot summer

much less than that needed in fair weather

much higher than that needed in fair weather

equal to that needed in fair weather

none of the above

produces a pleasing luminous glow

makes line current sinusoidal

works as a safety valve for surges

ozone gas is produced

distribution lines

transmission lines

domestic wiring

service mains

improves the power factor

reduces the power factor

corrodes the material

improves regulation