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2 cards from this section. Quick, good the night before a test.
What is the total resistance of three resistors in series with values 2Ω, 3Ω, and 5Ω?
Add the resistances together.
In a parallel circuit with two resistors of 4Ω each, what will be the equivalent resistance?
Use the formula: 1/R = 1/R1 + 1/R2.
What happens to the current in a series circuit?
Think about how charge flows through each resistor.
In a parallel circuit, the total voltage across each resistor is:
Consider how voltage behaves in parallel configurations.
You have a circuit with a 12V battery and three resistors, 2Ω, 4Ω, and 6Ω in series. What is the total current flowing through the circuit?
Remember to calculate total resistance first!
Calculate the total resistance of two resistors, 3Ω and 6Ω in parallel, and then determine the current if connected to a 9V battery.
Use the reciprocal formula for parallel resistance.
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