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Electronics S1W4: Metric Prefixes and Resistor Color Codes
Rating: 4.7 out of 5(65 ratings)
407 students

Electronics S1W4: Metric Prefixes and Resistor Color Codes

Correctly use metric prefixes, identify resistor values, measure voltage, current and resistance and circuit power.
Created byRichard Vannoy II
Last updated 2/2017
English

What you'll learn

  • List and identify metric prefixes, such as micro, milli, kilo, mega, and explain how they are used in electronics.
  • Use a resistor Color Code Chart to correctly determine the correct resistance of a resistor.
  • Explain the difference between fixed resistors and potentiometers.
  • Correctly calculate the proper wattage of resistor that can be safely used in a circuit.
  • Explain how to take voltage, resistance and current readings using a multimeter.

Course content

5 sections • 13 lectures • 3h 3m total length

  • Metric Prefixes18:58

    After this lesson, you will be able to identify the metric prefixes and understand how they are used. For example, you will know the difference between milliamps and microamps, or between megavolts and kilovolts.

  • Metric Prefixes Quiz

Requirements

  • No prior knowledge, materials or software is required for this course.

Description

This course uses PowerPoint presentations to cover the following topics:

  1. Metric prefixes (pico, micro, milli, kilo, mega, tera) and their use in electronics

  2. Correct identification of resistor values using the a Resistor Color Code Chart

  3. Practice using the Color Code Chart

  4. Identify different physical configurations of resistors

  5. Correctly identify a resistor's power rating

  6. Determine that a resistor with a specific power rating can safely be used in an electronic circuit

  7. Use a multimeter to correctly and accurately measure voltage, current and resistance in electronic circuit.

    Welcome to our session on resistors, where we'll delve into the essentials of these fundamental components in electrical and electronic circuits. You will learn about the resistor color code system, a handy method for identifying resistor values through colored bands. By understanding these codes, you’ll be able to quickly determine the resistance of different resistors.

    We'll explore various types of resistors, such as carbon composition, metal film, and wire-wound, each with unique characteristics and applications. Additionally, you'll discover how to use a multimeter to measure resistance accurately, ensuring your circuits function as intended.

    This practical knowledge is crucial for anyone working with electronics, as resistors play a vital role in controlling current flow, dividing voltages, and protecting sensitive components. By the end of this session, you'll have a solid understanding of resistor basics and be equipped with the skills to identify and measure resistance values confidently. Let's get started on this electrifying journey!

Who this course is for:

  • This course is for professionals, students and hobbyists who desire to know how electronic components and circuits work.

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