Draw the wiring diagram of fluorescent tube. Explain the working of choke and starter. 
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Fluorescent lamp:-

image


Operation:- When switch is ON current flows through the choke-filament no1- starter-filament no. 2- to neutral, At that time choke induces high voltage which is applied to two filaments and ionized gas, Due to this there will be high voltage ionization so that light will be emitted through the tube. Choke is acting as ballast starter is used for make and break the circuit. To operate the fluorescent lamp, need a ballast (choke) to limit the current & provide the necessary starting voltage and starter for starting the tube. 


OR 


 i) Choke: For providing high voltage at the time of starting. ii) Starter: To make and break the circuit to start the tube. 

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