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Term: Thermionic Current

Description:

Thermionic current refers to the flow of electric current resulting from the emission of electrons by a heated electrode in a vacuum or low-pressure gas. It is a phenomenon commonly used in various electronic devices, especially thermionic diodes and vacuum tubes.

Usage:

Noun (Physics): Thermionic current can be utilized in vacuum tubes to amplify and control electrical signals.

Noun (Electronics): The thermionic current in a diode allows the flow of electricity in only one direction.

Noun (General): Understanding the principles of thermionic current is crucial in developing advanced electronic devices.

Examples:

Physics:

1. The vacuum tube utilizes thermionic current to produce amplified sound.
2. The rate of thermionic current emission can be controlled by adjusting the temperature of the cathode.

Electronics:

1. The diode's thermionic current plays a vital role in rectifying the alternating current.
2. Thermionic current in vacuum tubes can be harnessed for signal amplification.

General:

1. Studying the properties of thermionic current can lead to advancements in electronic engineering.
2. Understanding how thermionic current works is essential for designing efficient electronic devices.

Related Products on Amazon:

• Thermionic Diode
• Vacuum Tubes
• Thermionic Current Amplifiers