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Which of the following is not essential for the productipn of elèctron by ...
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Physics Classroom
Post Utme
Post Utme 0
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Which of the following is not essential for the productipn of elèctron by thermionic emission?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Tungsten target
B
Reflection plate
c) Futrescent
C
Hot cathode
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Show Explanation
Correct Answer:
Option C
Explanation:
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