Electromagnetism Physics - Why do you sometimes see a spark

Physics - Electromagnetism Physics Assignment

Using the concepts discussed in this module, respond to the following questions in your initial post to the discussion—and, if you wish, choose your own appliance and/or an example similar to the ones posed in the questions below:

• Why do you sometimes see a spark inside a toaster or toaster oven when it is turned off suddenly?
• Why do the lights in a room dim when the refrigerator starts up? (If you’d like, choose your own similar example.)
• What are the benefits of household electricity using AC as opposed to DC technology?