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2 cards from this section. Quick, good the night before a test.
What is the unit of current?
Think about how we measure the flow of electricity.
What device measures voltage?
Recall the tool used to measure electric potential difference.
What is the unit of resistance?
It's named after a prominent physicist.
True or False: The current through a circuit decreases as resistance increases, assuming voltage remains constant.
Think about how obstacles affect flow.
Design a basic circuit with a battery, a switch, and a light bulb. Explain how each part works together.
Think of how you would draw this circuit diagram.
If you have a 9V battery connected through a resistor of 3Ω, calculate the current and discuss what happens if you connect another 3Ω resistor in series.
Use Ohm's Law for calculations.
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