Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.
In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.
Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.
In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.
In this animated object, learners study the rotation of the magnetic stator field of an AC motor and how it interacts with the armature to cause rotation. A short quiz completes the activity.
In this learning activity you'll examine how a sine bar is used to measure angles.
In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.
In this interactive object, learners experience how the three primary flight controls allow a pilot to determine the motion of the airplane during flight.
Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.
Students work five practice problems to determine the Thevenin voltage of DC circuits.
Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.
In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.
In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.
This learning object introduces the three approximations of a diode.
Students read an explanation of reactive power in a power distribution system involving motors, generators and transformers. 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 read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.
Learners study animation showing the operation of cumulative and differential DC compound motors. A short quiz completes the activity.
In this animated object, learners examine the operation of a capacitive proximity sensor. A brief quiz completes the activity.
In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.
In this animated and interactive object, learners examine how changes in applied voltage affect the current and voltages in a zener diode voltage regulation circuit. A short assessment completes the activity.
Learners study the fundamental operation of a triac, particularly how it is turned on and off. A brief quiz completes the activity.
Students review the Current Divider Rule (CDR) and work practice problems.
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.