Warm Up #15 In which direction do electrons flow in a circuit powered by a battery?

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Presentation transcript:

Warm Up #15 In which direction do electrons flow in a circuit powered by a battery?

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Series and parallel circuits How do series and parallel circuits differ? What is the smallest number of paths for a parallel circuit? How would removing devices from a parallel circuit affect the current?

Series and parallel circuits Parallel circuit – an electric circuit with more than one path, or branch, for an electric current to follow What are some examples of parallel circuits?

Electric circuits in the home Too many branches or devices to a parallel circuit increases the current through the source creating dangerously high currents in the circuit Every home has fuses and circuit breakers to help protect a circuit in a home

Electric safety Never use electrical devices with damaged power cords Stay away from water when using electrical devices plugged into an outlet Avoid using extension cords and never plug more than 2 home appliances into an outlet at once Never allow any object that you are touching to contact electric power lines, such as a kite string or a ladder Don’t touch anyone or anything that is touching a downed electric wire Never climb utility poles or play on fences surrounding electricity substations

Review Series and Parallel Circuits worksheets How does the electric current change when more devices are added to a series circuit? To a parallel circuit?