Which of the following statements regarding the application of electrical conduction via gases is/are correct?
Electrical conduction in gas is applied in:
(i) The identification of gases
(ii) Lighting/fluorescent tubes
(iii) Photocells
(iv) Cathode ray oscilloscope/T.V. tubes
A
(i), (iii) and (iv) only
B
(i), (ii) and (iv) only
C
(ii), (iii) and (iv) only
D
(i), (ii) and (iii) only
Verified Correct Answer: B.
Physical Principles & Numerical Solution
Electrical conduction of gas is applied in:
(i) The identification of gases
(ii) Lighting/fluorescent tubes
(iii) Advertising industry/Neon signs
(iv) Cathode ray oscilloscope/T.V. tubes
Source: WAEC / JAMB / NECO Classroom Archive (Record #67250)