Tuesday, February 28, 2012

It's Electrifying

This week we expanded on our electricity unit. We learned to calculate the current that travels through a circuit and how R (resistance), I (current), V (voltage) and P (power) contribute to electricity. So far we learned about two different types of circuits; parallel and series. A series circuit contains an electric source that travels in one path. A parallel circuit again contains an electric source (ex. battery) and resistors traveling in multiple paths. An example of this is the way our houses are wired. We learned that in a parallel circuit, if one resistor fails to allow electricity to flow, the other resistors wouldn’t be affected by the spoiled one. Unlike a series circuit this is very ideal. 

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