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The cathode-ray tube is a direct application of which of the following?
The effects of bar magnets in the presence of a magnetic field.
The movement of charges through a circuit.
The acceleration of electrons through an electric field.
The movement of electrons in the presence of a magnetic field.

Respuesta :

Answer:

The movement of electrons in the presence of a magnetic field.

Explanation:

cathode-ray tube (CRT) has to do with

a vacuum tube in which an electron beam is deflected by applying electric or magnetic fields, produces a trace on a fluorescent screen. Cathode-ray tubes are uses in the television (TV) display. Other uses include radar displays, oscillography, and visual displays for computer terminals.

Answer:

The movement of electrons in the presence of a magnetic field.

Explanation:

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