What Are Electromagnets?
How do electromagnets differ from permanent magnets, and what are they used for? Physics - Electricity And Circuits - Learning Points. An electromagnet is created by running an electrical current through a coil of wire. An electromagnet can be made stronger by increasing the current, adding coils, or placing a steel or iron core inside the coil. Electromagnets are used whenever a magnetic field that can be switched on or off is needed. Electromagnets are used in car locks, electric doors, storing computer data, and lifting scrap metal. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.
Tags
Comments
Leave a Comment
Comments are loading... If you don't see any, be the first to comment!
Related Videos
Easy way to make Electromagnet| Science Project
Owner - Creative fest
Making an Electromagnet
Imagine Learning - Twig (middle years+)
Electrical Safety
Imagine Learning - Twig (middle years+)
Maglev train
Imagine Learning - Twig (primary school)
AC, DC and Transformers
Imagine Learning - Twig (middle years+)
Forms of Energy
Imagine Learning - Twig (middle years+)
How Do Generators Work?
Imagine Learning - Twig (middle years+)
Centripetal Force: How Central Forces Cause Objects to Spin or Turn
Imagine Learning - Twig (middle years+)
Solar Power - Harnessing Sun’s Energy
Imagine Learning - Twig (middle years+)
Alternating and Direct Current | Electricity | Physics | FuseSchool
FuseSchool - Global Education