Electronics S1W7: Resistors in Parallel
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# Electronics S1W7: Resistors in Parallel

Students will learn how to solve parallel resistive circuits for voltage, current and resistance.
4.8 (13 ratings)
157 students enrolled
Created by Richard Vannoy
Last updated 8/2015
English
Current price: \$10 Original price: \$40 Discount: 75% off
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Includes:
• 2.5 hours on-demand video
• Access on mobile and TV
• Certificate of Completion
What Will I Learn?
• Prove that the total resistance in any parallel resistance circuit is smaller than the value of the smallest resistor.
• Apply the Product Over the Sum Formula to determine the total resistance of any two resistors.
• Apply Kirchhoff's Law and the Current Divider Formula to determine the individual branch currents in a parallel circuit.
• Accurately solve parallel circuits for their resistances, voltages and currents.
• Correctly determine the power for individual resistors and the total power in a parallel circuit.
View Curriculum
Requirements
• No software, materials or supplies are required for this course.
• A knowledge of series resistance rules and Ohm's Law are presumed. This information is covered in my course: Electronics S1W5: Resistors in Series.
Description

During this course, the student will learn and apply the principles, laws and formulas that will lead to the solution of problems in parallelresistive circuits. By the end of this course, you will:

- Be able to state why the total resistance in any parallel resistance circuit is always smaller than the value of the smallest resistor in the circuit.

- Learn and demonstrate the use of the Parallel Resistance Formula to determine the resistance of parallel circuits.

- Apply the Product Over the Sum method to accurately determine the total resistance of any two parallel resistors.

- Learn and apply Kirchhoff's Current Law and the Current Divider Formula to determine the current flow in different branches of a parallel circuit.

- Learn how to correctly use the bar-bar symbol (||) to correctly write the formula for any parallel resistance circuit.

- State and apply the formula that will allow you to determine the total resistance of any number of resistors that have the same value.

- Solve seven parallel resistance problems presented by the instructor, using all of the rules and formulas you have learned to this point. The instructor will give you a detailed solution to each of the problems.

- Demonstrate that you can compute the total power in a circuit, and the individual power for each component.

Summary of Series and Parallel CircuitsThe course concludes with a thorough review of all of the formulas and laws of series and parallel resistance that you have learned so far.

This course presumes some knowledge of series resistive problems. These topics were covered in the prerequisite course: "Electronics S1W5:Resistors in Series". If you did not complete this course, you should be familiar with Ohm's Law and Kirchhoff's Voltage Law, so that you can solve series resistive circuits.

This course is composed of fourteen videos with a total rumnning time of about 2.5 hours. Most videos run for 8 to 13 minutes, and each teaches one or more of the concepts shown in the bullet points above.

If you are headed for a career in electronics, or want to become a serious electronics hobbyist, or just want to know how electronics works, then this is a course for you.

Who is the target audience?
• If you are one of the following, this is an appropriate course for you:
• An electronics professional who wants to review their skills.
• Any individual desiring to pursue an electronics career.
• A hobbyist who wants to know how electronic circuits work.
Compare to Other Electronics Courses
Curriculum For This Course
14 Lectures
02:25:33
+
Introduction to Parallel Resistance
3 Lectures 40:12
Preview 13:26

Proving that Total Parallel Resistance is Less Than the Smallest Resistor
13:40

This quiz examines your understanding of the first two lectures on the basics of parallel resistive circuits

Parallel Resistance Basics
6 questions

Conductance and the Parallel Resistance Formula
13:06
+
Solving Parallel Resistance Circuits
6 Lectures 01:00:54
Practice Parallel Resistance Problem
09:58

Solve a Parallel Resistive Circuit
09:16

This quiz examines your understanding of several formulas used in determining resistance and current in parallel resistive circuits.

Parallel Resistance Formulas
3 questions

The Product Over the Sum Formula
12:58

Practice Problem; Kirchhoff's Current Law (KCL)
08:57

quiz tests your understanding of the Product Over the Sum formula and Kirchhoff's Current Law.

Product Over the Sum and Kirchhoff's Current Law (KCL)
6 questions

The Current Divider Formula
08:42

Parallel Notation and Resistance of Same Value Resistors
11:03

This quiz covers the topics of lectures 8 and 9.

Current Divider, Parallel Notation & same value resistors
5 questions
+
Sample Problems with Solutions
2 Lectures 15:52
Solving a Series and a Parallel Circuit
11:58

Sample Parallel Resistance Problems
03:54

This quiz checks your knowledge of solving parallel circuit problems.

Solving Parallel Circuits
4 questions
+
Power in Parallel Circuits and Summary of Series and Parallel Rules
3 Lectures 28:35
Power in Parallel Circuits
08:30

Summary of Series and Parallel Rules, Part 1
11:14

Summary of Series and Parallel Rules, Part 2
08:51

This quiz asks about power in parallel circuits and the rules of series and parallel circuits.

Power & Summary
6 questions