Interactive simulations for science teaching
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Thermal agitation
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- Summary
- Do not confuse instantaneous velocity (thermal agitation in km/s) and mean velocity of free moving charges (conduction current in mm/s).The resistance of a conductor stems from the numerous collisions taking place in it. These collisions are also at the origin of the heating effects known as the “Joule Effect”.
By convention, current moves from the positive pole to the negative pole. The electrons move in the opposite direction.
- Learning objectives
- Point out the conditions to observe a circulating current in a circuit.
- Display the microscopic meaning of electric current and resistance.
- How to use the animation
Click on the connectors to switch them on/off.
- Keywords
- thermal-agitation, current, electron, circuit, electricity, resistance, resistivity, conductivity
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- Share your ideas with us!