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?
Homework Statement
Three point charges lie in a straight line along the y-axis. A charge of q1 is -9 microcouloumbs at y = 6 m and a charge of q2 is -8 microcoulombs at y = -4m. The net electric force on the third point charge is zero. Where is this charge located.
Homework Equations...