Quote of the Day -- Question of the Day
We begin our study of voltage differences and emf, electric current and resistance, and various configurations of resistors in electric circuits.
Ohm's Law and Resistance
SCEN103 presentation of Ohm's Law and Electrical Energy
Simplest Possible Circuit
Series and Parallel Circuits
Above, we have studied the simplest possible circuit, a single emf and a single resistor. Now we examine combinations of resistors that can be reduced to an equivalent circuit involving just one equivalent resistor.
SCEN103 presentation of Series Circuits
Concept Check: Series Circuits
SCEN103 presentation of Parallel Circuits
Series and Parallel Combinations
Concept Check: Series and Parallel Circuits
Detailed Series/Parallel Circuit Example
Relevant Online Resources
dc Circuits tutorial from the Department of Physics at the University of Guelph
Interative two-resistor circuit and four-resistor circuit, same source as above
Last updated Aug. 22, 1999.
Copyright George Watson, Univ. of Delaware, 1999.