Two Thirty Volts

Electricity Revision Quiz

Разработчик: The Electrical Safety Council
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Electricity quizzes and revision notes for secondary level science students. As you complete each quiz, you’ll earn reward badges - get perfect scores to collect them all! You can also learn about electrical safety and careers in the industry by watching a series of short videos (internet connection required).
Topics include:
- Electric charge
- Electrical circuits
- Electric current
- Electrical safety
- Electrical symbols
- Sources of electricity
- Electromagnetic Induction
- Generators
- Ohm's Law
- Transformers
- Transmission of electricity
The app is designed to supplement national curriculum science and physics courses. It was created by Electrical Safety First, a UK charity that’s committed to reducing deaths and injuries caused by electrical accidents at home and at work.
Learn more about electricity and electrical safety by visiting the Twothirtyvolts website at www.twothirtyvolts.org.uk. Twothirtyvolts aims to provide 11-16 year olds with all the information they need to stay safe around electricity, first aid tips and a range of educational resources.
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Two Thirty Volts Отзывы Пользователей

Ben

Yuda Benhamu on

Великобритания

Good app, except the key skills quizzes do not correctly score your answers but rather, changes the answer you selected once you finish, seems like a small bug that requires fixing.

Question wrong

Einstein_swag on

Великобритания

QUESTION 5 on GENERATORS IS WRONG. A commutator is a vital part of which type of generator? It says the answer is d.c when it is actually a.c my physic teacher told me so, and so did Wikipedia.

Mr

RPA1234 on

Великобритания

I think the person who comes up with the questions needs to go back to school himself. It is the ignition coil that produces high voltage to produce a spark for the spark plugs not the alternator, that is to charge the battery.

Better than a teacher!

Epinerphine on

Великобритания

This is the best revision material app that I have ever come across.

Teacher

Carolyn Ann 2 on

Великобритания

Will find this a good support for when we cover that topic- really good way to engage the students

Hmmm

mocket on

Великобритания

This is a great idea for an app and is quite well executed. However, several of the 'revision notes' made me raise an eyebrow. It's probably because it's aimed at school-children, but everything is Very black-and-white.... For instance - various insulators are mentioned that "will not conduct electricity" - and some won't conduct "by batteries alone". Breakdown voltage, whether it's AC or DC, isn't mentioned. Virtually anything will conduct once the voltage is high enough. On transformers: "You only get a voltage in the second coil if the magnetic field is changing." You will get an induced voltage pulse, it just won't be very useful. "Transformers will only work with AC". Someone had better explain that to my cars ignition coil. I could go through other points that are stated as absolute fact - which, unfortunately, aren't true under all circumstances - but I won't. Suffice to say that this is a reasonable, but flawed, app. This may or may not be a good resource to help school-children pass their exams. But, I certainly wouldn't use it as a reference to argue a point with someone who knows their onions.

Mr

Andrew Parker-Stone on

Великобритания

Downloaded this app for my son, and tried the GCSE revision quiz myself, it was a long time ago since faced I those kind of questions, am sure it will help with both of our knowledge! Great app for free. Thanks

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