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The inductance 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 higher-voltage pulse to start the lamp.

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16y ago
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13y ago

The choke is used to give a surge of current during start up. This choke coupled with a relay (or sort of switch) will start to magnetize to its max capacity, once attained maximum level, relay trips and the choke start to discharge thus providing initial surge of current need to light on the fluorescent tube.

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12y ago

The 'choke' is an inductor whose purpose is to limit the current flowing through the tube after the gas has ionised.

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Q: What is the use of choke in the fluorescent tube?
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