Which of the following are not the production methods for carbon nanotubes?
1. Electric arc discharge method
2. Laser vaporization method
3. Czochralski method
4. Metallization method
Select the correct answer using the options given below:
A. 1 and 2
B. 2 and 3 only
C. 3 and 4 only
D. 2, 3 and 4
Answer: Option C
This Question Belongs to Electronics And Communications Engineering >> Materials And Components
Join The Discussion