Question

The largest temperature below which the metal must be heated to eject thermionic electrons from it is a) its boiling point b) melting point c) room temperature d) core temperature of Sun
​

Answer 1

(d)- core temperate of Sun

Hope this helps you Please mark me as a brain list answer please and thanks my answer please anyone of u good in this world please mark me as a

Answer 2

this is answer : (d) crore temperature of sun

Explanati