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Which of the following statements regarding the application of electrical conduction ...

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

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  • A (i), (iii) and (iv) only
  • B (i), (ii) and (iv) only
  • C (ii), (iii) and (iv) only
  • D (i), (ii) and (iii) only
Correct Answer: Option 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

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