5 Questions
What is the primary function of a diode?
Conducts current primarily in one direction
What is the most commonly used type of diode today?
Semiconductor diode
Who made the discovery of asymmetric electrical conduction across the contact between a crystalline mineral and a metal?
Ferdinand Braun
In which direction do electrons flow in an obsolete thermionic diode?
From cathode to plate
What is a common use of diodes?
Rectifying AC power to DC power
Study Notes
Diode Basics
- The primary function of a diode is to control the flow of electrical current by allowing it to pass through in one direction but blocking it in the other.
Types of Diodes
- The most commonly used type of diode today is the semiconductor diode.
History of Diodes
- Ferdinand Braun made the discovery of asymmetric electrical conduction across the contact between a crystalline mineral and a metal, which led to the development of diodes.
Thermionic Diodes
- In an obsolete thermionic diode, electrons flow from the cathode (negative electrode) to the anode (positive electrode).
Applications of Diodes
- A common use of diodes is to convert alternating current (AC) to direct current (DC), which is known as rectification.
Test your knowledge of diode fundamentals with this quiz covering topics such as diode behavior, characteristics, and semiconductor materials.
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