Students review the Current Divider Rule (CDR) and work practice problems.
Learners examine first and second approximations and view examples of a "stiff" current source.
In this interactive object, learners review the CDR and work nine problems. Immediate feedback is given.
In this interactive learning object, students read about the voltage and current parameters commonly found on a data sheet. A brief quiz completes the activity.
In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.
Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous current of an energizing RL circuit.
In this learning activity you'll explore Kirchhoff's Current Law and view examples of its application.
In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.
Learners observe how branch current values in parallel circuits are affected when different values are used. They test their knowledge by answering 11 review questions.
In this animated object, learners follow an analogy of water flowing through pipes and valves to see how current increases in a parallel circuit as branches are added.
Students view a sample of the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous current of a de-energizing circuit.
Students view a demonstration of Kirchhoff's Current Law (KCL) using complex numbers with respect to ac.
Learners view a sample of the keystrokes on a TI-36X calculator that are required to solve for the instantaneous current of an energizing RL circuit.
Students view a sample of the keystrokes used on a TI-36X calculator to solve for the instantaneous current of a de-energizing circuit.
Learners study animated rheostat settings that show how current flow is inversely proportional to resistance. Ten review questions complete the learning object.
Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.
This learning activity uses a water pressure analogy to present the concept that voltage pressure is required to cause current flow.
Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.