有効 ゆうこうポテンシャルじゃなかったです
yūkōpotensharujanakattadesu

Noun
Desu Copula

The polite, past negative form of 有効ポテンシャル

1. Wasn't effective potential.; Didn't have effective potential.

Past/Perfective
Negative
Polite
Casual Register
Physics