Recent content by Sir Physics

  1. Sir Physics

    High School Wall Adapter Question: How is 1A Output Possible?

    Ahhhhh - that makes sense - Thanks for all the help!
  2. Sir Physics

    High School Wall Adapter Question: How is 1A Output Possible?

    Hey guys and gals - I was constructing a circuit yesterday and a question developed in my mind. Power out of an outlet is about 120 VAC at like 20 amps as most all of you probably know. So if current MUST increase when voltage decreases how are there wall adapters that only put out 1 amp when it...
  3. Sir Physics

    Undergrad How Transformers Work | Understanding Voltage & Current

    Its all about the law of conservation of energy - energy cannot be created nor destroyed- thus if voltage increases current MUST decrease - if this did not happen it would certainly solve our energy issues because we could just snap our fingers and CREATE energy which according to the laws of...