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12. Which of the following accurately describes semiconductor diodes?

A. Point-contact diodes are more likely to be used as rectifiers than junction diodes.
B. Unlike junction diodes, point-contact diodes are enclosed in a suitable casing and have terminals for connecting them to a circuit.
C. Unlike point-contact diodes, junction diodes utilize a point of metal wire in contact with a single wafer of P-type or N-type material.
D. Junction diodes are preferred over point-contact diodes for most purposes.

Respuesta :

Answer;

D. Junction diodes are preferred over point-contact diodes for most purposes.

Junction diodes are preferred over point-contact diodes for most purposes; accurately describes semiconductor diodes.

Explanation;

-Semiconductor diodes are specialized electronic components with two electrodes called the anode and the cathode, that are made with semiconductor materials such as silicon, germanium, or selenium.

-Point contact diode is formed by touching a metallic wire with an N-type semiconductor to form a small area of contact.

-A p-n junction diode is two-terminal or two-electrode semiconductor device, which allows the electric current in only one direction while blocks the electric current in opposite or reverse direction. Junction diodes are preferred over point-contact diodes for most purposes.

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Answer:

Explanation:

D. Junction diodes are preferred over point-contact diodes for most purposes.

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