**The Properties of Matter**- P.1.4 Employ correct units in describing common physical quantities.

**The Nature of Electricity & Magnetism**- P.1.18 Explain the concepts of ... electric current, electric potential, electric field ... Use the definitions of .... the ampere, the volt...
- P.1.19 Analyze simple arrangements of electrical components in series and parallel circuits. Know that any resistive element in a DC circuit dissipates energy, which heats the resistor.

circuit |
series circuit |
parallel circuit |

schematic diagram |
overloading |
compound circuit |

Objectives:

When you finish your study of electric circuits you should be able to:

Note:The number in parentheses is a (chapter:section) in the text.

- Circuits
- define "electric circuit." (35.1)
- distinguish between a series, parallel, and compound circuits.(35.2)
- Recognize the common electrical symbols for a battery, a meter, a switch, a ground, and a resistance. (35.5)

- Series Circuits:
- state that a series circuit provides a single conducting path for charges.(35.1)
- state what happens to other devices in a series circuit when one device fails.(35.3)
- state that the current must be the same in all parts of a series circuit. (35.3)
- state that the total voltage in a series circuit is the sum of the voltages across the separate components. (35.3)
- calculate the equivalent (total) resistance in a series circuit as the sum of the individual resistances. (35.3)
- apply Ohm's Law to a series circuit. (35.3)

- Parallel Circuits:
- state that the voltage is the same across each device in a parallel circuit. (35.4)
- state what happens to other devices in a parallel circuit when one device fails.(35.4)
- apply Ohm's Law separately to each branch of a parallel circuit.(35.4)
- calculate the total current as the sum of the branch currents. (35.4)

- Resistance
- state that the equivalent (total) resistance of a parallel circuit decreases as the number of branches increases.(35.7)
- calculate the equivalent (total) resistance of two equal resistances connected in parallel. (35.6)
- estimate the equivalent (total) resistance of two unequal resistances connected in parallel.(35.6)

- Overloading
- state that electrical devices in our homes are connected in parallel. (35.7)
- state that the total current in a parallel circuit increases as each additional device is added to the circuit. (35.7)
- state that the total energy supplied to a parallel circuit increases as each additional device is added to the circuit. (35.7)
- tell what a short circuit is, and why it is dangerous. (35.7)
- discuss the use and operation of fuses and circuit breakers. (35.7)

- Compound Circuits
- calculate the equivalent (total) resistance of resistors in a compound circuit. (35.6)
- apply Ohm's Law to find the total current in a compound circuit. (35.6)
- apply Ohm's Law to each individual component of a compound circuit. (35.6)

last update April 14, 2008 by JL Stanbrough