Materials And Components - Study Mode
[#61] Intense magnetic field may be produced in a coil by using a
Correct Answer
(B) Type-I superconductor with a large number of turns and sending a large current
[#62] 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:
Correct Answer
(C) 3 and 4 only
[#63] Superconductors are becoming popular for use in
Correct Answer
(D) generating regions free from magnetic field
[#64] Ceramic resonators use which one of the following?
Correct Answer
(D) Zirconium titnate
[#65] Which of the following statements are correct for ceramic materials? 1. They are inorganic substances 2. They are brittle 3. They are good thermal insulators Select the correct answer using the options given below:
Correct Answer
(A) 1, 2 and 3