Headaches can lead to scalp pain and to pain in any area of the face, neck or head. Several types of headaches may cause scalp pain, such as migraine, sinus headache, tension headache, and those caused by nerve involvement such as occipital neuralgia.
The circuit breaker. The circuit breaker does the same job as the fuse, but works in a different way. A spring-loaded push switch is held in the closed position by a spring-loaded soft iron bolt. An electromagnet is arranged so that it can pull the bolt away from the switch.
All circuit breakers are overcurrent protection devices, which are used to disconnect a circuit in the event of a prolonged overload current or a short-circuit current. An aiâ¦r circuit breaker is one of many types of high-voltage circuit breaker. It uses a blast of compressed air to extinguish the arc formed when its main contacts open. In some cases, air pressure is also used to operate the mechanism that opens and closes the main contacts. 4 people found this useful.