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2 cards from this section. Quick, good the night before a test.
Define electric current.
Think about the movement of charges within materials.
What is the unit of electric current?
It's the same letter used in the equation I = Q/t.
What is electric current?
Recall the definition provided in class.
True or False: The unit of electric current is ohm.
Consider the units we learn about for measuring different electrical properties.
If a circuit has a current of 3 A, how much charge flows through it in 5 seconds? Show your calculations.
Rearrange the formula to find charge.
In a certain circuit, the current fluctuates due to changing conditions. How would you design a simple experiment to measure this fluctuation over time?
Consider introducing a timer or data logger to help visualize changes.
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