Arizona Drivers Permit Practice Exam Guide

What does a diode do in a low voltage electronic circuit?

Amplifies voltage Stores energy Allows current to flow in only one direction Measures resistance

Correct Answer:

Allows current to flow in only one direction

Explanation:

A diode is a semiconductor device that acts as a one-way switch for current, allowing it to flow easily in one direction but restricting it in the opposite direction.

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