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| Q. |
The purpose of choke in a fluorescent lamp is – |
| A. | to increase the current flow |
| B. | to decrease the current flow |
| C. | to decrease the resistance |
| D. | to decrease the voltage momentarily |
| Answer» B. to decrease the current flow | |
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Explanation: 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. |
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