Electrical circuits and components are rated to withstand a certain amount of current flow. Excessive current in a circuit results in overheating and destruction of components. Various protective methods can prohibit the occurrence of overheating by creating a weak link in the circuit that will fail under certain conditions. A commonly used protective device is the fuse.
This module takes 30 minutes to complete. At the end of this module, you must obtain an 80% or higher on the Test Your Knowledge for it to be marked as complete. You have unlimited attempts and the highest attempt is recorded.