Which of the following are emitted by the filament of a vacuum tube?

Protons

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Neutrons

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Electrons

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All of the above

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Solution

The correct option is C Electrons
Filament of a vacuum tube emits electrons.

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Which of the following are emitted by the filament of a vacuum tube?

The correct option is C ElectronsFilament of a vacuum tube emits electrons.

The correct option is C Electrons
Filament of a vacuum tube emits electrons.