E=(K+G)/(6K)

E=(9KG)/(3K+G)

E=(9K+G)/(6K)

E=(K+6G)/(6K)

Ductile

Ferrous

Malleable

None of the above

Wrong polarity

Presence of surface contaminants

High welding current

Quality of consumables

Copper loss

Leakage reactance

Equivalent impedance

Core loss

Copper

Magnesium

Zinc

Molybdenum