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Use this study guide to supplement your study with the textbook. This should be the first place you consult if you are absent from class to find out what we did in class.
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Theory of Knowledge Connection
Early scientists identified positive charges as the charge carriers in metals; however, the discovery of the electron led to the introduction of "conventional" current direction. Was this a suitable solution to a major shift in thinking? What role do paradigm shifts play in the progression of scientific knowledge?
Nature of Science
Electrical theory demonstrates the scientific thought involved in the development of a microscopic model (behavior of charge carriers) from macroscopic observations. The historical development and refinement of these scientific ideas when the microscopic properties were unknown and unobservable is testament to the deep thinking shown by scientists of the time.
Early scientists identified positive charges as the charge carriers in metals; however, the discovery of the electron led to the introduction of "conventional" current direction. Was this a suitable solution to a major shift in thinking? What role do paradigm shifts play in the progression of scientific knowledge?
Nature of Science
Electrical theory demonstrates the scientific thought involved in the development of a microscopic model (behavior of charge carriers) from macroscopic observations. The historical development and refinement of these scientific ideas when the microscopic properties were unknown and unobservable is testament to the deep thinking shown by scientists of the time.