# Circuits: Parallel

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1 MB|8 pages
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This is a packet that tasks students with working through different parallel circuits. A variety of situations are given that require students to apply the concept of voltage being constant in a parallel circuit, to calculate the equivalent resistance, and to apply the equations V=IR and P=IV.

I use a table method where students find the voltage, current, resistance, and power at each resistor, as well as for the total/equivalent circuit. In using this method, students can see how everything "fits together" more easily. Also, it allows them the opportunity to more easily check their work, as they can calculate the total current and total power two different ways, and make sure the answer is the same either way. For example, they can see that total current is equal to the sum of the individual currents through each resistor, as well as the quotient of voltage and the equivalent resistance of the circuit.
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8 pages
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Teaching Duration
45 minutes
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\$4.00