Understanding Household Currents

[Gummibare610]

Currents!

Homework Statement

Why can't the potential difference in household currents be changed?

Homework Equations

Conceptual.

The Attempt at a Solution

Is it just because the fuse will ignite if overheated?

 

[nickjer]

Voltages are changed on household appliances all the time through transformers. For example my laptop runs at 19.5V and the outlet outputs at 120V.

 

[Gummibare610]

Oh ok thanks



Currents FTW