====== Experiment 1: Resistors ====== ===== Objectives of the Experiment ===== Getting to know the following components * Digital multimeter * Function generator * Breadboard Applying * direct/indirect resistance measurement * resistor standard series * mesh/node equations * differential resistance of an incandescent lamp {{page>lab_electrical_engineering:1_resistors:resistance-measurement&nofooter}} {{page>lab_electrical_engineering:1_resistors:mesh-set&nofooter}} {{page>lab_electrical_engineering:1_resistors:voltage-divider&nofooter}} {{page>lab_electrical_engineering:1_resistors:nonlinear-resistors&nofooter}} ~~PAGEBREAK~~ ~~CLEARFIX~~ ===== Preparation for the oral short test ===== For this experiment you should - be able to apply and explain the following concepts: - current- and voltage-correct measurement - series and parallel connection of resistors - mesh and node equations (Kirchhoff's laws) - passive sign convention and active sign convention - ideal and real sources You should be able to answer the following questions: - Which operating mode does the source use? Which quantity is kept constant by the source? - Power supplies operate in quadrants. In which quadrant is the power supply operated? What can the source then correspondingly not do? - What must be considered for the (loaded and unloaded) voltage divider? - How do you measure a voltage with a current meter? How a current with a voltage meter? - How does an ohmmeter measure resistance? - Where are the limits of linearity in real resistors? - What examples are there of linear and non-linear resistors? - What else can the resistance depend on?