Which energy transformation happens when a toaster is plugged in to an outlet in the wall and used to make toast?
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1 point
Electrical energy from the outlet is converted completely to heat energy for the toaster.
Electrical energy from the outlet is converted to heat and chemical energy in the toast.
Electrical energy from the outlet is converted to heat and light energy for the toaster.
Electrical energy from the outlet is converted to heat energy for the toaster.
The correct answer is: Electrical energy from the outlet is converted to heat and light energy for the toaster.
The correct answer is: Electrical energy from the outlet is converted completely to heat energy for the toaster.
To understand why this is the correct answer, let's break down the energy transformation process step by step:
1. When you plug the toaster into an outlet in the wall, electrical energy flows from the power source (the outlet) to the toaster.
2. Inside the toaster, there is a heating element. When the electrical energy flows through the heating element, it encounters resistance, which causes the electrons to slow down and release their energy in the form of heat.
3. The heat generated by the heating element is then transferred to the slices of bread placed inside the toaster. The heat causes the starches and sugars in the bread to undergo a chemical reaction called the Maillard reaction, which results in the browning and toasting of the bread.
So, in this energy transformation process, the electrical energy from the outlet is indeed converted completely to heat energy for the toaster.