Physics, asked by dhanrajpadle001, 8 months ago

Which material is coated in tungsten electrode of a fluorescent tube lamp?

Answers

Answered by kshitijsharma29

1

Answer:

the inner surface of the lamp is coated with a fluorescent coating made of varying blends of metallic and rare-earth phosphor salts. The lamp's electrodes are typically made of coiled tungsten and are coated with a mixture of barium, strontium and calcium oxides to improve thermionic emission.

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