Question

The ignition voltage of sodium vapour lamp is about

Answer 1

Answer:

This preserves the ignition mechanism. Halogen metal vapour lamps are operated by alternating current voltage of 220 V for lamps up to 400 W and by 380 V for lamps from 1000 to 2000 W at a voltage tolerance of 5 %. ... In addition to the ballast, an ignition is required to start the discharg

Explanation:

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