In this video, the process of transmitting electrical energy from a power station to the consumer is explained. Different types of potential difference are also discussed, including direct current (DC) and alternating current (AC). The...

What challenges does humanity face in the 21st century? Where will we find the strength and the ingenuity to overcome them? One huge challenge is centered on the ways we produce energy. Current methods of extracting fossil fuels from the...

This is a video presentation that discusses the principles of energy. It starts by defining different types of energy stores such as kinetic, gravitational potential, elastic potential, thermal, chemical, electrical, and internal energy....

Do you ever have arguments at home about leaving appliances on and wasting electricity? In this video we are going to look at measuring energy use, in electrical appliances. The unit of energy is the Joule (J). However, when dealing with...

If you're curious about inductors and how they work, then this is the video for you! In this video, we'll explore the basics of inductors and their role in electrical engineering.

It explains tidal energy, wave energy and ocean thermal energy.

This video is a lecture on energy, charge and potential difference within an electrical circuit. The presenter uses a visual aid to explain the transfer of potential energy from cells to charges within the circuit and the transfer of...

In this video, we learn how remote controls work by sending signals through electromagnetic signals. The remote control emits infrared radiation, which is received by a small infrared light detector on the device being operated. By...

This video is about Sankey diagrams and how they can be used to represent energy transfers in a system or process. The video uses examples such as a car engine and a light bulb to explain how energy can be transferred and wasted in...

This video discusses the relationships between electrical energy, voltage, current, and time. It explains the concept of electrical power and how it is measured in watts or joules per second. The video then shows how this equation can be...

This video is a lecture about energy dissipation and efficiency. It begins by defining what efficiency means in energy transfer processes and how it is calculated. The video provides examples of calculating efficiencies in different...

This video discusses energy transfers within different systems. It provides five examples, including the energy transfer when a ball is projected vertically upwards, when a moving object hits an obstacle, when brakes are applied to slow...

Do you ever have arguments at home about leaving appliances on and wasting electricity? In this video we are going to look at measuring energy use, in electrical appliances. The unit of energy is the Joule (J). However, when dealing with...

The amount of electrical energy transferred to an appliance depends on its power and the length of time it is switched on. The amount of mains electrical energy transferred is measured in kilowatt-hours. One unit is 1 kWh. The formula...

Energy is vital to powering our brains, our bodies, and our entire universe. Find out a little more about the different kinds of energy and how they impact your on a daily basis.

This live-action video program is about the word Energy. The program is designed to reinforce and support a student's comprehension and retention of the word Energy through use of video footage, photographs, diagrams and colorful,...

Inductors Explained, in this tutorial we look at how inductors work, where inductors are used, why inductors are used, the different types. We take an in depth look at how the circuits perform with a parallel resistive and inductive load...

It explains the principle of an electric motor, its construction and working.

This video is a lecture on electrical power. The concept of power in electrical appliances is discussed, along with how to calculate the power of an electrical appliance. The video demonstrates using the equation to calculate the power...

Semiconductors are the essential components that allow electricity to flow and regulate the flow of electrical energy in all electronic devices. They are materials that sit between conductors and insulators, enabling the controlled...

This video provides a guide to the standard circuit diagram symbols that are commonly used in physics exams. The narrator explains the components that each symbol represents and how they fit into a circuit. The video covers symbols for...