Why thoriated tungsten is used for thermionic emission?
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Hey mate answer of your question is given below by me.
Explanation:
Thoriated Tungsten
Sometimes the addition of one metal to others makes the work function of mixture lower. Thoriated Tungsten is a mixture of thorium and tungsten. ... This causes the operating temperature of thermionic emission at 1700°C when the cathode is made of thoriated tungsten.
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