Electricity. Part 3: Magnetic fields, Faradays Law, Electrical Generation. If a positive and a negative charge are sitting next to each other, which of the following is true ?. The charges will attract each other. The charges will repel each other.
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Part 3: Magnetic fields, Faradays Law, Electrical Generation
Similar to like charge attract, unlike charges repel
Demos: small magnets
Notation: We usually use the symbol B to represent magnetic fields
Demos: Neolithic O-scope, e/m apparatus
To draw a current, the circuit must be closed through the ionosphere.
Note: We often define the direction of the surface a being normal (i.e. perpendicular) to the surface