A. anode is heated
B. tube is evacuated
C. an auxiliary electrode is used
D. low mercury vapour pressures are used
Correct Answer: an auxiliary electrode is used ✔
Last Updated: December 17, 2018
A. anode is heated
B. tube is evacuated
C. an auxiliary electrode is used
D. low mercury vapour pressures are used
Correct Answer: an auxiliary electrode is used ✔
Last Updated: December 17, 2018