Resistance | Shock and Awe: The Story of Electricity
Jim Al-Khalili explains how, as we made microchips smaller, the electrical feature of resistance was becoming more probl...
Alternating current | Shock and Awe: The Story of Electricity
Nikola Tesla invented alternating current (AC) which allowed no electrical power to be lost when passing throug...
What is electricity | Shock and Awe: The Story of Electricity
An electric current is essentially the flow of electrons (which are electrically charged) from one atom to anot...
Voltaic Pile | Shock and Awe: The Story of Electricity
Invented by Italian chemist Alessandro Volta in 1799, the voltaic pile was the first electrical battery that could con...
Positive and negative charges | Shock and Awe: The Story of Electricity
Benjamin Franklin discovered that electricity could be like money in a bank, it could be in credit (p...
Ohm's law | GCSE Bitesize Revision
. Ohm's law V = IR with worked example narrated slides.
Alternating and direct current | Additional Science 2
Spec references J249: P8.2h J250: P6.2g. Alternating and direct current. Description and animation.
Jim Al-Khalili explains how an electromagnet works and how it paved the way for the birth of the tele...
Spec references J249: P3.2b J250: P3.2b. Circuit symbols - narrated slides.
Spec references J249: P3.1e, P3.1f, P3.2a, P3.2b J250: P3.1d, P3.1e, P3.2a, P3.2b. Circuit symbols, differences between...
Spec references J249: P8.2j J250: P6.2i. Animation showing domestic fuses and fuse boxes. Use of P = I V to choose the correct fuse.
Spec references J249: P8.2i J250: P6.2h. Animation - purpose of the earth wire.
Spec references J249: P8.2i J250: P6.2h. Wiring a plug. Animation with method to remember wire colour.
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