Understanding Diodes and Diode Symbols

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10 Questions

What is the main drawback of Laser Diodes compared to LEDs?

High cost

In Zener Diodes, breakdown occurs when:

The voltage drop is constant

What distinguishes Schottky Diodes from other silicon PN junction diodes?

Lower forward voltage

What is the primary function of a diode?

Limits voltage and transforms AC into DC

In a diode symbol, what does the arrowhead represent?

Direction of current flow in forward bias

How do Avalanche Diodes operate?

Through the avalanche effect in reverse bias

What is the primary function of a Photodiode?

Identifying small current flow due to light

What happens when the anode voltage is more positive than the cathode voltage in a diode?

The diode conducts with low voltage drop

Which materials are commonly used to make diodes?

Silicon and Germanium

What happens to a diode when the cathode voltage is more positive than the anode voltage?

It is reverse-biased

Learn about the functionality and symbol of diodes, electronic components that conduct electricity mainly in one direction. Discover how diodes are utilized to protect circuits, limit voltage, and convert AC to DC, with a focus on semiconductor materials like silicon and germanium.

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