File Name: the similarities between series and parallel circuits .zip
Circuits consisting of just one battery and one load resistance are very simple to analyze, but they are not often found in practical applications. Usually, we find circuits where more than two components are connected together. There are two basic ways in which to connect more than two circuit components: series and parallel. Here, we have three resistors labeled R 1 , R 2 , and R 3 connected in a long chain from one terminal of the battery to the other. They serve only to identify one resistor from another. The defining characteristic of a series circuit is that there is only one path for current to flow.
Exploring the similarities and differences between the two types of electrical circuits. After learning how to build series and parallel circuits, your students will use ammeters and voltmeters to compare voltage and current flow so they can understand the similarities and differences between the two types of electrical circuits. Demonstrate for your students how an ammeter needs to be connected in the path of the moving electrons, so it becomes part of the circuit. Also demonstrate how the voltmeter must be connected in parallel to the dry cell or the light bulb as the voltmeter creates a second pathway for the current to flow. Put your students into groups and have them follow the instructions on their worksheets to build series and parallel circuits.
Electricity is created when negatively charged particles, called electrons, move from one atom to another. In a series circuit, there is just a single path along which electrons can flow, so a break anywhere along the path interrupts the flow of electricity in the entire circuit. In a parallel circuit, there are two or more branches, creating separate pathways along which electrons can flow, so a break in one branch does not affect the flow of electricity in the others. In a parallel circuit, the current in each branch of the circuit is inversely proportional to the resistance of each branch, and the total current is equal to the sum of the currents in each branch. The voltage drop across each component is proportional to its resistance, such that the sum of the voltage drops is equal to the total voltage supplied by the source.
BIOLOGY. Investigation. Manual. Series and Parallel Circuits. PHYSICS the difference in electrical potential between the positive and negative side of the.
These rules fall neatly into two categories: series circuits and parallel circuits. The two circuit types are shown here, with squares representing any type of two-terminal electrical component:. The defining characteristic of a series electrical circuit is it provides just one path for current.
Oh no! Oh, you thought it would be funny to pull one of the bulbs out, and now the whole thing has gone belly up! Every year, millions of lights go dark around the world for one critical lesson — to teach you the difference between series and parallel circuits!
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