This video explains the basics of electric circuits, including the differences between series and parallel circuits, how to measure potential difference and current, and the dangers of short circuits. The simulation used in the video...

This nugget explains Ohm's law and its derivations for a system of cells in series and parallel.

The video is a lecture presentation on electrical energy transfers. The presenter discusses three equations for power and how they can be combined to calculate the energy transfer by an electrical device in a given time. The symbols and...

Transformers change the potential difference of electricity. There are two main types of transformer that are used in the national grid. These are step up and step down transformers. Each of them consists of a two coils of wires around...

Voltage vs current, or sometimes it's current vs voltage; we are constantly trying to understand the differences between these two entities related to electricity. Then, there is sometimes one more entity: resistance. How do these three...

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...

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...

It explains resistance, factors affecting the resistance of a wire and resistivity or specific resistance.

How does a battery work? Now that you think about it, you have no idea, do you? Well take a gander! Turns out it's just redox chemistry.

This nugget explains Ohm's law and its derivations for a system of resistors in series and parallel.

The video discusses how devices we use every day are connected to the mains electricity supply. It explains the three types of wires present in a plug - the earth wire, the neutral wire and the live wire - and what each of their...

The video is a lecture on electric power, specifically on how the rate of energy transfer is defined in an electric circuit. The speaker discusses various equations and concepts relating to power, energy transfer, current, potential...

This nugget explains the concept and construction of a capacitance and its unit of measurement.

This video explains the difference between series circuits and parallel circuits in electronics. It describes the rules that apply to each circuit and how to calculate the total resistance, current, and potential difference in each case....

Instrumental Analysis: Capacitance 1

This nugget explains the effects of inserting a dielectric between a capacitor. It also explains the concept of dielectric constant.

This video explains the process of electricity generation on an industrial level. It describes how a voltage and current can be induced in a conductor by moving it relative to a magnetic field, and compares two types of electricity...

Ohms Law Explained. In this video we take a look at Ohms law to understand how it works and how to use it. We look at voltage, current, resistance and the relationship between these. We also use ohms triangle to solve examples.

This video lecture explains the concepts of resistance, current, and potential difference in an electrical circuit. The lecturer defines what resistance is and how it affects energy consumption in a circuit. The video also teaches how to...

This is a lecture video on series circuits, which explains the difference between series circuits and parallel circuits. The video looks at how resistance, current, and potential difference vary in a series circuit. It discusses how the...

This is a lecture video on parallel circuits. The video explains the difference between parallel circuits and series circuits and then focuses on investigating parallel circuits in more detail. The video describes how the current flows...

In this video, viewers are taught about simple circuits and their components, particularly in the context of the physics specification. The narrator explains each circuit diagram, detailing its purpose and how it can be used. The...

Electrolysis is electrical current flow through a liquid which causes chemical changes. The liquid can be a molten ionic compound or aqueous solution. The liquid will contain free-flowing positive ions and negative ions. The positive...

Whenever you plug something into an electrical socket, don't you wonder what's going on? Well you should, as it's pretty neat. What is electricity made of? How did we figure out how to harness this power? Let's take a look!