Which of the following statements regarding the application of electrical conduction via gases is/ar

JAMB Physics 2023 277 views
Source: JAMB · 2023

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

  1. (i), (iii) and (iv) only
  2. (ii), (iii) and (iv) only
  3. (i), (ii) and (iv) only ✓
  4. (i), (ii) and (iii) only

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