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
- (i), (iii) and (iv) only
-
(i), (ii) and (iv) only
- (ii), (iii) and (iv) only
- (i), (ii) and (iii) only
The correct answer is: B
Explanation
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
There is an explanation video available .