Ohms Law Power Wheel

Ohm s law equation formula.

Ohms law power wheel. Ohm s law and formulas. Joule s law states that. The wheel below is a handy tool and memory jogger. To use the wheel select the wanted quantity from the inner circle of the wheel and then the appropriate formula in that quadrant based on what you know about the electrical current you are working with.

Calculate power current voltage or resistance. Think resistance need r formulas. P v x i. Generally if you are an electrician technician journeyman apprentice student or hobbyist you may prefer this ohms law wheel product.

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. Voltage drop or voltage across the two points and inversely proportional to the resistance between the two point. Ohm s law wheel ohm s wheel february 20 2018 february 20 2018 admin ohm s wheel is a collection of 12 different formulas which helps to calculate voltage current power and resistance. P power i or j latin.

V voltage electric potential difference δ v or e electromotive force emf voltage. Ohm s law after physicist georg ohm states that. V i r and the power law equation formula. Now we re getting somewhere.

The ohm s law wheel represents all possible relationships between power p resistance r current i and voltage v. Simple to use ohm s law calculator. The combination of ohm s law and joule s law gives us 12 formulas where 2 of the 4 variables are known. Ohm s law formula wheel.

R is the resistance measured in ohms ω. As you advance in your training you will no doubt find the ac formulas for impedance chart above handy also. Influare international ampere or intensity and r resistance. This is essentially what the calculator does and is just a representation of the algebraic manipulation of the equations above.

P is power measured in watts. P i v. Below is a formula wheel for ohm s law relationships between p i v and r. This formula wheel is a combination of both ohm s law and the pie formula.

Ohm s law and joule s law power formulas. The nominal impedance z 4 8 and 16 ohms loudspeakers is often assumed as resistance r.