Circuits : Series vs Parallel

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Presentation transcript:

Circuits : Series vs Parallel TAKS Objective 5 Circuits : Series vs Parallel

There are 3 basic circuit components: Current, Resistance and Voltage A current is the flow of electrons through a wire or any conductor Resistance is the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light Voltage is a quantitative expression of the potential (force or pressure) difference in electrical charge between two points in an electrical field

TAKS Formula Chart According to your TAKS formula chart, what is a current equal to? Current = Voltage or I = V Resistance R The unit for current is amperes (A) The unit for voltage is volts (V) The unit for resistance is ohms ( Ω )

What does it look like? resistance current symbol for battery voltage Note: The long side of the battery symbol is always positive and the short side of the battery symbol is always negative

The flow of currents Currents flow from the positive side of the battery to the negative side of the battery

There are two types of currents Series Parallel

Series Circuits Series circuits are the most simple. It only has one path for the current to travel. Contains an energy source, a path, and a load (something for it to affect, like a lamp)

Can you think of an example of a series circuit? Most Christmas lights have parallel circuits

Parallel Circuits Parallel circuits provide more than one path for the current to travel. Most circuits are parallel, since if one lamp goes out, the others can stay lit.

Can you think of an example of a parallel circuit?

What type of circuit is this? Parallel

What type of circuit is this? Series

Which circuit is series? Which circuit is parallel? B

Let’s try some practice problems?