State two characteristics of a good thermion emitter.

ICSE Class 10 Physics PYQ · 2017 Paper · Section I

4(c)2 Marks · 2017 · Section I · 2017 Paper

State two characteristics of a good thermion emitter.

Show SolutionHide Solution↓

The two characteristics of a good thermion emitter are :

  1. It's melting point must be high.
  2. It's work function must be low.
← Previous questionNext question →

Browse the free Physics sample bank

More ICSE Class 10 Physics questions