M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following is not a composition of Nernst glower or Nernst filament?

(A) oxides of zirconium
(B) oxides of barium
(C) oxides of yitrium
(D) oxides of thorium
Correct : Option (B)

Explanation: 
 oxides of barium is not present in nernst glower. they are constructed by fusing oxides of zirconium, yitrium and thorium.

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