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.
Correct Answer: [None] Response Feedback: ï· Question 10 4 out of 10 points When you are at the beach, you notice that the waves seem to break at the same point as they come towards shore. Explain what is happening beneath the surface to cause the waves to break at this point. Selected Answer: Breakers form when orbital particle motion at the trough of the wave slows more rapidly than at the crest. The water at the crest of the wave will move forward and outrun the base of the wave.