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A brief summary of what we thought about electric charge
In a conductor, electric current can flow freely, in an insulator it can not.
How to make a simple electric motor at home.
Practical projects for building many types of electric motors. Great for school projects science clubs.
The electric power in watts represents the rate at which energy is converted from the electrical energy of the moving charges to some other form
Electric motors involve rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current. They transform electrical energy into mechanical energy.
A series of definitions relating to electric fields.
The phenomena of an electric arc is when electricity travels from one object to another object through the air.
A basic but clear explanation of electric charge.
Both the electric field and magnetic field can be defined from the Lorentz force law. The electric force is straightforward, being in the direction of the electric field if the charge q is positive, ...
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