The vapour discharge tube used for domestic lighting has
A. no filament
B. one filament
C. two filaments
D. three filaments
Show Answer
Answer: C
Share your understanding of this question with the correct explanation.
The vapour discharge tube used for domestic lighting has
A. no filament
B. one filament
C. two filaments
D. three filaments
Answer: C
Share your understanding of this question with the correct explanation.