Ohm S Law Circle Chart

When resistance decreases current increases.

Ohm s law circle chart. Below is a chart containing the formulas related to ohm s law. One ohm is the resistance value through which one volt will maintain a current of one ampere. The ohm s law chart is divided into four main quarters. The ohm law formulas above show the relationship between voltage amps watts and ohms.

To use the chart from the center circle select the value you need to find i amps r ohms e volts or p watts. If you know two of them you can calculate the other two. Just enter 2 known values and the calculator will solve for the others. We ve got twelve pie slices around.

It is fun to use even for kids and it s tasty remember it s a pie. Formula wheel electrical engineering electronics ohm s law pie chart circle power wheel electric power formula fundamentals general ohm s law emf ohms audio physics electricity electronics formula wheel formulas amps watts volts ohms cosine equation audio engineering pie chart charge physics formula for power calc voltage bridging eberhard sengpiel sengpielaudio. The chart is seeable and understandable. Then select the formula containing the values you know from the corresponding chart quadrant.

Below are the formulas for these calculations. The wheel below is a handy tool and memory jogger. Calculate power current voltage or resistance. Voltage current resistance and power can be calculated using ohm s law.

Simple to use ohm s law calculator. To help us understand the the relationship between the various values a little further we can take all of the ohm s law equations from above for finding voltage current resistance and of course power and condense them into a simple ohms law pie chart for use in ac and dc circuits and calculations as shown. P watts the rate of energy conversion. How to use ohm s law pie chart.

In the inner circle we have four variables. Whether you are a seasoned veteran or a newbie to electronics an ohms law chart is something that is always good to have around. The chart below left shows the relationship between voltage current and resistance. Ohm s law defines the relationships between p power e voltage i current and r resistance.

To use it simply choose the quadrant corresponding to the variable you want to calculate then select the segment corresponding to the variables that you know the values of. Ohms law pie chart.