Learning Material.
DC Material.
1) Series DC Cct practice
Calculate the voltages across the resistors, the total current and powers, then check your results.
2) Series DC parallel combination practice
Calculate the voltages across the resistors, the total current and powers, then check your results.
AC Material.
3) Trigonometry practice
Three pages of pythogorus and trigonometry. Drag and drop the numbers and angles into their correct locations, then submit to see if you are correct. If so, continue to the next page.
3A) More Trigonometry practice
Practice trig and Pythag here.
3B) Trigonometry practice (Storyline)
Three pages of pythogorus and trigonometry. Drag and drop the numbers and angles into their correct locations, then submit to see if you are correct. If so, continue to the next page.
3C) Calculate Reactances (Storyline)
Calculate both inductive and capacitive reactances. Beware, frequency changes too.
4) Determine RMS and AV values of a sine wave
Given the peak-to-peak value, determine the other voltages. Enter the numbers into the boxes and then press “CHECK”.
5) Build a table of RMS and AV values
Drag the correct RMS and AV values into the boxes then press ‘Submit’.
6) AC SERIES DRAG&DROP practice
Drag and drop frequency, reactances, voltages into their correct locations, then submit to see if you are correct. HINT: R = 150 ohms, V = 230V.
7) Series AC CCts practice
Calculate reactances, currents and impedance based on random component values. Press “FINAL CHECK” to check your results.
8) Parallel AC CCts practice
Calculate reactances, currents and impedance based on random component values. Press “FINAL CHECK” to check your results.
9) Pracwork: Power Factor Correction
Using the random values, determine the capacitance value required to improve the power factor.
10) Capacitance and Charge practice
Calculate total capacitance, charge and voltages across series capacitor based on random component values. Check each step of your calculations.
11) Power Transmission practice
Enter transmission power and voltage to see the effect of current during the transmission of power. Explain why power is transmitted at high voltages.
12) Magnetic Circuit practice
Determine if the magnetic core of an inductor becomes saturated. Follow the instructions to a result.
Don’t forget,
13) Shunt Generator practice
Calculate the Currents and Generated voltage.
14) Orthogonal Drawing practice
Identify each of the drawings by looking at the Plan, Front and Side views of an object.
ELECTRONICS INTERACTIONS
15) Heat sink calculation#1
Does these conditions warrant a heatsink?
16) Heat sink calculation#2
Is the heat sink chosen working? If so, how much more power can I extract? If so, how high an ambient temperature can I go?
17) JFET Bias calculations
How to calculate JFET voltage divider bias? Press ENTER or choose your own values.