Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.

Howcast - Learn how to dance the Diversity Transformers dance from Matt Lopez and DEF-C Crew in this hip-hop dance crew Howcast video.

Howcast - Check out this inFamous 2 walkthrough and beat "Powering Up Ascension Parish" with this online demo.

Howcast - Doorbells consist of a push button, a bell, and a transformer. Diagnosing and repairing a doorbell that doesn't ring is relatively straightforward.

In a situation where the charger is connected to a socket without any device plugged in, the charger will draw a minimal current from the mains and the regulator will maintain a steady supply of 5 V. Since the charger is not connected to...

The buzzing sound that power lines produce is caused by corona discharge. Corona discharge is an electrical discharge that occurs when a fluid (like air) surrounding an electrically-charged conductor becomes ionized. In simple terms, its...

A device used to change the voltage of an alternating current.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Power loss affects electricity supply, especially to homes far from power stations. Why is power lost, and how is electricity effectively transported over long distances? Physics - Electricity And Circuits - Learning Points. Direct...

In this video, the technology behind ChatGPT is explained in simple terms. Topics such as natural language processing, machine learning, and deep learning are discussed, providing us with a foundational understanding of the underlying...

This video covers:

- Brief summary of what transformers do (i.e. step up or step down the vol
tage)
- How transfo

rmers work

Exam
board specific info:
AQA - Separate/triple sci
ence and higher tier...

This video covers:

- Brief overview of how transformers
work
- How to calculate the voltage and current of the primary and secondary coils, using the number of turn on
each coil
- Exa

mple questions


Exam...

How transformers work

Do you want to know what purpose ground wire serves? In this video, we'll discuss the basics of ground wire and its importance.

In this video we learn how three phase electricity works from the basics. We explain how three phase electricity is generated, how the voltages vary, how to calculate the voltages and vrms, what frequency, hertz and cycle mean and how...

What is a ground rod used for? what does it connect to. Find out in this video.

Full bridge rectifier - how to convert AC alternating current into DC direct current. Using capacitors to filter the rippled DC wave into smooth DC with experiments.

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In which we explore Washington, DC's vast and diverse collection of landmarks, museums, and galleries - ranging from institutions like the Hirshhorn to the art-worthy metro system. Let's take a trip through Washington, DC. Featuring the...

Electricity makes our lives easier every day. We use electricity in our work and play. Because electricity is virtually unseen, it is often difficult to understand just where it comes from and how it works. By watching the video and...

The flick of a switch, that’s how easy it is to get electricity, right? If you’re one of the lucky ones, then yes. But in 2017 there are still over 1 billion people who do not have access to electricity. In this video we will discuss how...

This is a lecture video on the turns ratio equation for transformers. The video explains how the potential difference across the primary and secondary coil of a transformer depends on the number of turns of wire in each of the coils. The...

Plasma, like solid liquid and gas is considered a state of matter. Plasma is ionized gas, and can be created by applying energy to a gas, like electromagnetic or electrical energy like this transformer.



As you can see it...

This video explains the concept and composition of transformers, which are devices that can increase or decrease the voltage of an alternating current. It uses the example of transformers found on telephone poles to illustrate how they...