definitions of eletromotive force,potential differences,electric current ,electric charge ,electric resistance
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Electromotive force-a difference in potential that tends to give rise to an electric current.
Potential differences-the difference of electrical potential between two points.
Electric current-An electric current is a flow of electriccharge.
Electric charge-Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charges: positive and negative (commonly carried by protons and electrons respectively).
Electric resistance-Resistance is an electrical quantity that measures how the device or material reduces the electric current flow through it. The resistance is measured in units of ohms (Ω). If we make an analogy to water flow in pipes, the resistance is bigger when the pipe is thinner, so the water flow is decreased.
Potential differences-the difference of electrical potential between two points.
Electric current-An electric current is a flow of electriccharge.
Electric charge-Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charges: positive and negative (commonly carried by protons and electrons respectively).
Electric resistance-Resistance is an electrical quantity that measures how the device or material reduces the electric current flow through it. The resistance is measured in units of ohms (Ω). If we make an analogy to water flow in pipes, the resistance is bigger when the pipe is thinner, so the water flow is decreased.
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