可変 かへん抵抗 ていこう じゃなかったです
kahente ikōkijanakattadesu

Noun
Desu Copula

The polite, past negative form of 可変抵抗器

1. Wasn't a variable resistor.; Wasn't a potentiometer.

Past/Perfective
Negative
Polite
Casual Register
Electrical Engineering