Inversions

Square roots

Logarithms

Sine functions

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