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2 cards from this section. Quick, good the night before a test.
What is electricity?
Think about what powers your devices.
What is the unit for measuring current?
Recall the unit that starts with 'A'.
What is electricity?
Think of how your devices run.
True or False: Voltage is the flow of electric current.
Consider the definitions of current and voltage.
If a circuit has a voltage of 12V and a resistance of 4Ω, calculate the current flowing through the circuit.
Apply Ohm's Law, which relates voltage, current, and resistance.
A material has a very high resistance, and a voltage of 9V is applied. What will happen to the current?
Consider how resistance impacts current flow.
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