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3 cards from this section. Quick, good the night before a test.
What is the formula for electric current?
Think about how charge and time relate to current.
What unit is resistance measured in?
Remember what opposes the flow of current.
What is the unit of electric current?
It's named after André-Marie Ampère.
True or False: The current flows from the negative terminal to the positive terminal.
Think about the direction of current flow in a circuit.
A circuit has a resistance of 2Ω and a current of 3A. Calculate the potential difference.
Apply the Ohm's Law formula correctly.
In a parallel circuit with two 4Ω resistors, what is the total resistance?
Remember the formula for total resistance in parallel circuits.
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