Energy, Work, & Power

Carry a charge q around this circuit

What energy does it have at locations a, b, c, and d?

Think of a mechanical analog of this circuit.

The change in electric potential between the two ends of the resistor is just

V = IR

This is energy conservation once again.

Resistors

Power

Return to Ch 19, DC Circuits

(c) Doug Davis, 2002; all rights reserved