Which thermionic emitter has the highest opening temperature?
A. Oxide coated
B. Tungsten
C. Thoriated-tungsten
D. Eureka
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Answer: B
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Which thermionic emitter has the highest opening temperature?
A. Oxide coated
B. Tungsten
C. Thoriated-tungsten
D. Eureka
Answer: B
Share your understanding of this question with the correct explanation.