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The anode is held at __________ positive potential and the filament is held at ____________ potential.

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in Analytical Instrumentation by (131k points)
The anode is held at __________ positive potential and the filament is held at ____________ potential.

(a) High, ground

(b) Ground, high

(c) Low, high

(d) High, low

This question was posed to me in semester exam.

The doubt is from Instrumentation for Electron Spectroscopy topic in section Electron and Ion Spectrometers of Analytical Instrumentation

1 Answer

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The correct answer is (a) High, ground

Easiest explanation: The anode is held at high potential and the filament is held at ground potential. Electrons are accelerated from the filament.

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