![]() ![]() However, Figure 6–33 does not have the value for I T. You could use the equation P T = E T × I T to calculate the total power. This means that you will have to begin by combining circuit components to solve for the necessary second variable. In Figure 6–33, there are no components that have two values from which you can work. The first step is to review the circuit, analyzing for what is known and what is not known and comparing what you see to what you are solving for. ![]() The total power is derived by adding all individual powers from each of the components.Ĭalculate the power dissipated by each component and the total power of the combination circuit in Figure 6–33. Remember, you cannot find the power until you have two of the three parameters for each of the components. Then you work back in the opposite direction to provide the missing values for the various components, using Ohm’s law. Often this requires the systematic reduction of the circuit to a single equivalent resistance value. Your job is to reduce and combine the various resistances to find the second parameter. Often only one parameter (such as the resistance, the voltage, or the current) will be given. The same is true of the combination circuit. As you have previously calculated, the total power consumed by a series or parallel circuit is equal to the sum of the power consumed by each of the circuit’s components.
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