Answer / koti

It works as ballast (gives high voltage) at start and controls current by dropping voltage during running.

Answer / sanjana singh

IT KEEP CURRENT IN LIMIT . & ALSO REDUCE DISTURBANCES FROM CURRENT

Answer / guest

choke is used to transfor high voltage

Answer / simon

It is a step down type of X-Mer which is 250/100v
So 40 Wt=40/250=0.16Amp

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