In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.
Students examine the first and second approximations of a voltage source. A "stiff" voltage source is defined, and several examples are given.
In this learning activity you'll determine the voltages that can be topped off of a multi-resistor voltage divider that has one main power source.
The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.
Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.
Students review the Voltage Divider Rule and work practice problems.
In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.
The effect of connecting voltage sources in parallel to increase amperage to a load is presented.
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 examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.
In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.
In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.
In this animated activity, learners examine how the speed of a motor may change if the voltage from the power source fluctuates due to power line irregularities. This lesson has audio content.
Learners view a demonstration of Kirchhoff's Voltage Law using complex numbers for an ac circuit.
In this interactive object, learners examine how voltages and currents vary in a parallel LC circuit as the applied frequency changes.
Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous voltage of a charging RC circuit.
Learners view a sample of the keystrokes from a TI-35X or 36X calculator that are required to solve for the instantaneous voltage of a charging RC circuit.
Students read an explanation of the Voltage Divider Rule with complex numbers. Examples are given.
Students read about decibel power gain and decibel voltage gain. Examples are given for each.
Learners review Kirchhoff's Voltage Law and work six practice problems. Feedback is given.