ExamVeda
Login
Home

The purpose of choke in a fluorescent lamp is

This question belongs to General Knowledge Physics
Physics
?

The purpose of choke in a fluorescent lamp is :

Answer & Solution
Correct Answer: Option B
The choke primarily serves to limit current flow to the correct level for the tube. It also can be used during startup to provide an inductive ‘kick’ forming a momentary higher-voltage pulse to start the lamp.
Examveda
Question posted by Examveda
Community

Join the Discussion

2 Comments
Nafees Baig
Nafees Baig 2 years ago
the capacitance reactance will increase with a) increase of capacitance b) increase of frequency c) increase of voltage d)not
Nafees Baig
Nafees Baig 2 years ago
The choke of tubelight regulates ?
Power factor
Voltage
Current
Keep Learning

Related Questions on Physics

Which of the following terms is not used in the field of physics?
A. Latent heat B. Nuclear fusion C. Refractive index D. Stock value
Radiocarbon is produced in the atmosphere as a result of
A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. B. Action of ultraviolet light from the sun on atmospheric oxygen. C. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. D. Lightning discharge in atmosphere.
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A. Work done in rolling is more than in lifting. B. Work done in lifting the stone is equal to rolling it. C. Work done in both is same but the rate of doing work is less in rolling. D. Work done in rolling a stone is less than in lifting it.
The absorption of ink by blotting paper involves:
A. Viscosity of ink B. Capillary action phenomenon C. Diffusion of ink through the blotting D. Siphon action
More Related Questions on Physics