Q5: i)Which of the following is not a component of sodium vapour lamp accessories? Ballast Capacitor Ignitor Goggles ii)Which of the following is not a discharge lamp? Fluorescent tube Mercury vapour lamp Sodium Vapour Lamp Incandescent lamp iii)While measuring efficacy of a mercury vapour lamp, the luminous flux density is measured using ___ Voltmeter Power meter Thermometer LUX meter

Q5: i)Which of the following is not a component of sodium vapour lamp accessories? Ballast Capacitor Ignitor Goggles ii)Which of the following is not a discharge lamp? Fluorescent tube Mercury vapour lamp Sodium Vapour Lamp Incandescent lamp iii)While measuring efficacy of a mercury vapour lamp, the luminous flux density is measured using ___ Voltmeter Power meter Thermometer LUX meter

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter11: Conduction In Liquids And Gases

Section: Chapter Questions

Problem 2RQ: What is a negative ion?

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