Multiple choice general knowledge science & technology The purpose of choke in tube light is ? To decrease the current To increase the current To decrease the voltage momentarily To increase the voltage momentarily Reveal answer Fill a bubble to check yourself D Correct answer Explanation The choke in a fluorescent tube light is an inductor that creates a high voltage spike when current is interrupted, which ionizes the gas in the tube and starts the conduction. Once started, it limits the current to prevent damage.