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Objective: To identify the direction of the current, to compare
its value at various locations in a circuit, and to predict the effect
of varying number of cells and bulbs upon the current.
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Electric Current
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Fundamentals
6 Questions
Identify the magnitude and direction of electric current.
Pick from among the three activities -
Fundamentals, Case Studies, and Law Breakers.
Case Studies
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Case Studies
6 Questions
Change the bulb resistance or the number of cells; predict the effect
on the bulb brightness and current.
Begin Law Breakers
Law Breakers
Completed
Begin Fundamentals
Begin Case Studies
Law Breakers
6 Questions
Identify situations violating principles associated with the amount and
direction of charge flow.
Fundamentals
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Case Studies
Law Breakers
The diagrams represent bulb brightness using starbursts and
current using arrowtails. Give attention to the relative brightness of
bulbs, to the relative current in wires, and to the current direction.
Select any diagrams that incorrectly convey a current concept.