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What is 1 + 3?
happens when positive and negative charges no longer balance.
an electric charge in motion
material does not allow electric charges to flow through it easily
electric charge can flow only in one path
has two or more paths for the electric charge to flow
a force that acts on moving electric charge and magnetic materials that are near a magnet
goes out in all directions
a coil of wire with many loops through which an electric current passes