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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…
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Electric Fields
Action at a Distance The underlying and primary question being addressed in this unit of…
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Newton’s Laws and the Electrical Force
The attractive or repulsive interaction between any two charged objects is an electric force. Like any…
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Inverse Square Law
Science in general and Physics in particular are concerned with relationships. Cause and effect is…
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Coulomb’s Law
The interaction between charged objects is a non-contact force that acts over some distance of…
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Electric Force
Charge Interactions Revisited Previously in Lesson 1, the interactions between charged objects of like charge and opposite…
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Grounding – the Removal of a Charge
The previous three sections of Lesson 2 discussed the three common methods of charging - charging…