Multiple choice technology

The purpose of choke in tube light is ?

  1. To decrease the current

  2. To increase the current

  3. To decrease the voltage momentarily

  4. To increase the voltage momentarily

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The choke in a tube light is a ballast that creates a high voltage surge when the starter is switched on. This momentary voltage increase is necessary to ionize the gas inside the tube and start the current flow.