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# Electrial Circuits of a Coffeemaker

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## Sarah Fitzgerald

on 17 December 2012

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#### Transcript of Electrial Circuits of a Coffeemaker

Electrical Circuits in a Coffee Maker
But have you ever considered how this coffee maker works? Everyone has used a coffee maker at some point in their lives Coffee Maker This is the coffee maker that we will be dissecting shown on this picture is a coffee maker as seen from the outside Join me as we explore the inner workings of a coffee maker and discover what really happens before you add the sugar. Before we take a look at what happens inside let's take a look at the basics. A coffee maker is a appliance that brews coffee from cold water and ground coffee beans. The coffee beans are place into a paper filter in a funnel at the top and the cold water is placed in a different compartment. The cold water is than heated to a boil and directed into the filter and runs through the coffee beans dripping hot, fresh aromatic coffee into the pot below the filter. The coffeemaker that we will be dissecting is a electric drip coffee maker. This is the most common type of coffeemaker used today, you can find one in almost every home. The electrical energy that comes into the coffeemaker must be used to do many things such as: turn on the light that indicates that the coffeemaker is on
heat up the cold water used to make that coffee
send the boiling water to the filter
keep the heating pad ,located under the pot, heated
power the thermostat that measures the temperature of the water and disconnects the circuit to keep it from over heating The electrical energy that enters the coffeemaker through the wall plug is converted into 3 different types of energy to help work the coffeemaker these energies are: The electrical energy is converted into light energy to power the light bulb that indicates that the coffeemaker is on and running Finally, the electrical energy is converted into convection currents in the water which forces it up the tube in the back and into the filter. The electrical energy is converted into Thermo energy which is used to heat the water and to keep the heating pad warm. A coffeemaker may seem quite complicated for, it completes many different tasks and uses many different types of energies however, the electric circuits in this device are actually fairly simple using one simple, parallel circuit with only 2 branches to power the whole coffeemaker Parallel Circuit This has been included for, it demonstrates quite efficiently the components of the circuits. The above diagram shows the parallel circuit located in the coffeemaker that is going to be dissected. Electrical Circuit This picture shows the first step of the electrical dissection, it shows the electrical circuiting inside the coffeemaker. This image is shown because it depicts the AC circuit and the path that the electrons takes, starting with the line in and returning to the neutral. Light
Thermo