You decide to travel to Europe, however, you already have the knob on your home toaster at exactly the right setting to bring your bread to the perfect amount of toastiness. So you decide to bring your toaster along with you. In order to make sure that your toast is made correctly, you should also bring along a/an__________.
A. Step-down transformer
B. Step-up transformer
C. Full-wave bridge rectifier
D. Inductor