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Power: Putting Charges to Work
Electric circuits are designed to serve a useful function. The mere movement of charge from…
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Requirements of a Circuit
Suppose that you were given a small light bulb, an electrochemical cell and a bare…
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Electric Current
What is an Electric Circuit? In Lesson 1, the concept of electric potential difference was…
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Electric Potential Difference
In the previous section of Lesson 1, the concept of electric potential was introduced. Electric potential…
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Electric Potential
In the previous section of Lesson 1, it was reasoned that the movement of a positive…
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Current Electricity
Electric Potential Difference Electric Field and the Movement of Charge Perhaps one of the most…
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Lightning
most known and powerful display of electrostatics in nature is a lightning storm. Lightning storms are…
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Electric Fields and Conductors
We have previously shown in Lesson 4 that any charged object - positive or negative,…
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Electric Field Lines
In the previous section of Lesson 4, the vector nature of the electric field strength was discussed. The…
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Electric Field Intensity
In the previous section of Lesson 4, the concept of an electric field was introduced. It…