Electronics S1W3: Learn to Calculate Watts, Volts and Amps
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You will become proficient in using the basic tools to perfore necessary calculations in the analysis of an electronic circuit. You will use given quantities of volts, amps, ohms or watts to calculate the other characteristics of simple electronic circuits. To do this, you will be taught the proper use of a tool called the Ohm's Law Wheel.
Additional topics include Watts and Power, Scientific Notation, Significant Digits and Rounding Off numbers. This will introduce you to how electronics professionals, hobbyists and engineers deal with the mathematics of electronics.
This course provides you with eleven video presentations lasting more than 21/2 hours.
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Section 1: Using the Ohm's Law Triangle  

Lecture 1  12:17  
After your previous introduction to Ohm's Law, it is now time to solve basic problems in electronics. The Ohm's Law Triangle is a simple tool used to help beginners remember the relationships between Voltage, Current and Resistance, and to use the triangle to solve an Ohm's Law problem when any two of the three are know. 

Section 2: Watts and Power  
Lecture 2  16:35  
After Voltage, Current and Resistance, the last component of the Ohm's Law Wheel is Power. This video and the next video explains the basics of power, the fundamental formulas and how to integrate power into the Ohm's Law Wheel. 

Lecture 3  12:32  
After Voltage, Current and Resistance, the last component of the Ohm's Law Wheel is Power. This video is Part 2, that explains the basics of power, the fundamental formulas and how to integrate power into the Ohm's Law Wheel. 

Quiz 1  4 questions  
This quiz reviews the Three Components of Ohm's Law, Voltage, Current and Resistance and the introduction to the power formulas used to compute power used. 

Section 3: Using the Ohm's Law Wheel  
Lecture 4  12:19  
The Ohm's Law Wheel is a tool for electronics personnel to easily and quickly identify the correct formula or computation to use when solving for unknowns in any electrical or electronic circuit. This lecture explains the Wheel and how to use it properly. 

Lecture 5 
Using the Ohm's Law Wheel, Part 2

13:37  
Quiz 2  5 questions  
The Ohm's Law Wheel is a useful tool to assist you in finding the correct formula to compute the correct answer in basic electronics problems. This quiz tests you ability to properly use the Ohm's Law Wheel. 

Section 4: Direct and Inverse Proportion  
Lecture 6  15:20  
Ohm's Law states that "current in a circuit is directly proportional to the voltage and inversely proportional to the resistance. This lecture will create a graph for the student that clearly shows the proof of these two relationships, and shows the difference between direct and inverse proportion. 

Quiz 3  3 questions  
Tests your knowlwdge of how direct and inverse proportion relates to Ohm's Law. 

Section 5: Scientific Notation  
Lecture 7  18:20  
Scientific Notation is a standardized way of writing very large or very small numbers. This, and the next, video will show you how to accurately convert numbers from Standard form (e.g. 94,000,000,000) to Scientific Notation (e.g. 9.4E10) and the reverse: How to Convert Scientific Notation into Standard form. 

Lecture 8  14:26  
Scientific Notation is a standardized way of writing very large or very small numbers. This, and the next, video will show you how to accurately convert numbers from Standard form (e.g. 94,000,000,000) to Scientific Notation (e.g. 9.4E10) and the reverse: How to Convert Scientific Notation into Standard form. 

Lecture 9  13:04  
Scientific Notation is a standardized way of writing very large or very small numbers. This, and the two previous videos show you how to accurately convert numbers from Standard form (e.g. 94,000,000,000) to Scientific Notation (e.g. 9.4E10) and the reverse: How to Convert Scientific Notation into Standard form 

Quiz 4  3 questions  
This quiz tests your ability to correctly convert very large and very small numbers from Standard Form to Scientific Notation, and also convert from Scientific Notation to Standard Form. 

Section 6: Significant Digits and Rounding  
Lecture 10  15:12  
Significant Digits are helpful tools for engineering calculations. This lecture shows you how to determine the number of significant digits in a number. 

Lecture 11  12:09  
Most adults are acquainted with round up or rounding down a number. "Rounding to Even" has specific rules, and is a common practice in all engineering professions. 

Quiz 5  5 questions  
This Quiz test your knowledge of the previous two lectures. 
College teacher for computer programming (C, C++, Visual Basic, Python, Java), database (SQL, Access), microcontrollers, Programmable Logic Controllers, basic and intermediate electronics for seventeen years. Teaching awards include Instructor of the Quarter (Four Awards), Regional Instructor of the Quarter, Employee of the Year, Employee of the Month (Two Awards)
Ten years employed as computer programmer.
Degrees: Computer Programming, Electronics, Information Technology.
Interests: Arduino, 8051 Assembly Programming, robotics, electronics
Founder and past president of San Diego Robotics Society. Member and guest lecturer Riverside and Long Beach Robotics Societies.