What Do You Mean By Hot Cathodes And Cold Cathodes?

1.	What Do You Mean By Hot Cathodes And Cold Cathodes?
Answer» In discharge lamps cathodes EMITTING electrons by HEAT are TERMED as hot cathodes and where no heating is EMPLOYED they are called as cold cathodes. In discharge lamps cathodes emitting electrons by heat are termed as hot cathodes and where no heating is employed they are called as cold cathodes.

Answer»

In discharge lamps cathodes EMITTING electrons by HEAT are TERMED as hot cathodes and where no heating is EMPLOYED they are called as cold cathodes.

In discharge lamps cathodes emitting electrons by heat are termed as hot cathodes and where no heating is employed they are called as cold cathodes.

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