# How To Calculate Power For Parallel Circuit

In this article, we will discuss how to calculate power for a parallel circuit. We will start by defining what a parallel circuit is and then we will walk through the steps of calculating power for a parallel circuit.

A parallel circuit is a circuit in which the components are connected in parallel to each other. This means that the current can flow through multiple paths, and each path is independent of the others.

The formula for calculating power in a parallel circuit is:

``` P = I^2 * R ```

where P is the power in watts, I is the current in amps, and R is the resistance in ohms.

To calculate the current in a parallel circuit, we can use the following formula:

``` I = V / R ```

where I is the current in amps, V is the voltage in volts, and R is the resistance in ohms.

Once we have the current, we can calculate the power using the formula:

``` P = I^2 * R ```

Here is an example of how to calculate power for a parallel circuit.

Let's say we have a parallel circuit with two resistors, R1 and R2. The resistance of R1 is 10 ohms and the resistance of R2 is 20 ohms. The voltage across the circuit is 12 volts.

To calculate the current, we use the formula:

``` I = V / R ```

In this case, the current is:

``` I = 12 V / (10 ohms + 20 ohms) = 2 amps ```

Now that we know the current, we can calculate the power using the formula:

``` P = I^2 * R ```

In this case, the power is:

``` P = (2 amps)^2 * (10 ohms + 20 ohms) = 80 watts ```

Therefore, the power for the parallel circuit is 80 watts.

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