Pages in this set

Page 1

Preview of page 1
>Resistance is a result of electrons colliding with atoms & losing energy. In a battery, chemical energy is used to make electrons move & then collide so
battery has internal resistance, (warms it up). >The amount of electrical energy a battery produces for each coulomb of charge is the electromotive…

Page 2

Preview of page 2
> A potentiometer uses a variable resistor to give a variable voltage. Controlled directly by the user, by knobs or slider.
The Potential Divider


No comments have yet been made

Similar Physics resources:

See all Physics resources »