Objective: Verification of Ohm’s law
In simple electrical conductors, the current I which passes through the conductor is proportional to the applied voltage U. The constant of proportionality, the ohmic resistance R, is dependent on the length x of the conductor, its cross-sectional area A and the nature of the material. This relationship is to be investigated using constantan and brass wires.
![Experiment: Ohm’s Law (115 V, 50/60 Hz), 8000612 [UE3020320-115], Charge transport and current](/imagelibrary/UE3020320-115/UE3020320-115_01_Experiment-Ohm-s-Law-115-V-5060-Hz.jpg)
![Experiment: Ohm’s Law (115 V, 50/60 Hz), 8000612 [UE3020320-115], Charge transport and current](/thumblibrary/UE3020320-115/UE3020320-115_01_1200_1200_Experiment-Ohm-s-Law-115-V-5060-Hz.jpg)
![Experiment: First- and Second-Class Levers, 8000522 [UE1020200], Forces](/thumblibrary/UE1020200/UE1020200_01_140_140_Experiment-First-and-Second-Class-Levers.jpg)
![Experiment: Inclined Planes, 8000524 [UE1020400], Forces](/thumblibrary/UE1020400/UE1020400_01_140_140_Experiment-Inclined-Planes.jpg)
![Experiment: Variable g Pendulum (115 V, 50/60 Hz), 8000550 [UE1050201-115], Oscillations](/thumblibrary/UE1050201-115/UE1050201-115_01_140_140_Experiment-Variable-g-Pendulum-115-V-5060-Hz.jpg)
![Experiment: Boyle’s Law, 8000589 [UE2040100], Gas laws](/thumblibrary/UE2040100/UE2040100_01_140_140_Experiment-Boyle-s-Law.jpg)
![Experiment: Real Gases and Critical Point (115 V, 50/60 Hz), 8000592 [UE2040300-115], Gas laws](/thumblibrary/UE2040300-115/UE2040300-115_01_140_140_Experiment-Real-Gases-and-Critical-Point-115-V-5060-Hz.jpg)
![Experiment: Kirchhoff’s Laws (115 V, 50/60 Hz), 8000614 [UE3020330-115], Charge transport and current](/thumblibrary/UE3020330-115/UE3020330-115_01_140_140_Experiment-Kirchhoff-s-Laws-115-V-5060-Hz.jpg)
![Experiment: Lorentz Force (115 V, 50/60 Hz), 8000620 [UE3030300-115], Magnetic fields](/thumblibrary/UE3030300-115/UE3030300-115_01_140_140_Experiment-Lorentz-Force-115-V-5060-Hz.jpg)
![Experiment: Transformers (230 V, 50/60 Hz), 8000633 [UE3040500-230], Induction](/thumblibrary/UE3040500-230/UE3040500-230_01_140_140_Experiment-Transformers-230-V-5060-Hz.jpg)
![Experiment: Charging and Discharging a Capacitor (115 V, 50/60 Hz), 8000634 [UE3050101-115], Direct and alternating current (DC and AC)](/thumblibrary/UE3050101-115/UE3050101-115_01_140_140_Experiment-Charging-and-Discharging-a-Capacitor-115-V-5060-Hz.jpg)
![Experiment: Lens equation (115 V, 50/60 Hz), 8000677 [UE4010100-115], Geometric Optics](/thumblibrary/UE4010100-115/UE4010100-115_01_140_140_Experiment-Lens-equation-115-V-5060-Hz.jpg)
![Experiment: Diffraction by a Single Slit, 8000768 [UE4030100], Wave optics](/thumblibrary/UE4030100/UE4030100_01_140_140_Experiment-Diffraction-by-a-Single-Slit.jpg)
![Experiment: Diffraction by Multiple Slits and Gratings, 8000680 [UE4030200], Wave optics](/thumblibrary/UE4030200/UE4030200_01_140_140_Experiment-Diffraction-by-Multiple-Slits-and-Gratings.jpg)