# Electrical Engineering – Further AC Theory

Working with Phasors and Complex Numbers in Electrical Engineering and Electrical Science

In this course you will expand your knowledge and confidence working with AC values. Complex numbers will be introduced, and used to work out the values of parallel impedances.

What you’ll learn

• • Learn how AC circuits respond.
• • Be confident using Phasors to work out circuit response..
• • Work with complex numbers to calculate series and parallel impedance.
• • Explore and observe frequency response in RLC circuits..

Course Content

• Introduction –> 1 lecture • 2min.
• Phasor Addition –> 1 lecture • 6min.
• Complex Numbers –> 1 lecture • 6min.
• Complex Arithmetic –> 1 lecture • 7min.
• Polar Maths –> 1 lecture • 2min.
• Complex Reactance –> 1 lecture • 4min.
• Complex Impedance –> 1 lecture • 4min.
• Impedance in Parallel –> 1 lecture • 6min.
• Frequency Response –> 1 lecture • 12min.

Requirements

• A basic understanding of AC Theory..
• An understanding of Ohm’s Law..
• A basic understanding of trigonometry..

In this course you will expand your knowledge and confidence working with AC values. Complex numbers will be introduced, and used to work out the values of parallel impedances.

You will become confident using phasors to represent AC values, and learn how to multiply, divide, add and subtract phasors.

You will learn how to represent impedances using complex numbers, and how to manipulate these values.

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