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3 cards from this section. Quick, good the night before a test.
What is the unit of electric charge?
It starts with 'C'.
What does Ohm's Law express?
Think about voltage, current, and resistance.
What is the unit of electric potential difference?
Think about what pushes electric current.
True or False: In a series circuit, the voltage is the same across all components.
Recall how voltage is distributed.
Design a circuit that powers three light bulbs in series and calculate the total resistance if each bulb has a resistance of 2 Ω.
Add the resistances for series circuits.
If a power supply provides 24 V and a device draws 4 A of current, what is the power usage?
Use the power formula.
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