Cara Menghitung Rangkaian Paralel

>Hello Sohib EditorOnline, if you are interested in electronics or electrical engineering, you must be familiar with a parallel circuit or rangkaian paralel. In this article, we will explain how to calculate a parallel circuit effectively. The calculation is essential not only in designing the circuit but also in troubleshooting it when a failure occurs. Let’s get started!

Understanding Rangkaian Paralel

A parallel circuit is a type of electric circuit where different components are connected across the same two points. In other words, the components are connected in parallel to each other. Each component has its own branch to the power source, and the voltage across each branch is the same. However, the current flowing in each branch will vary depending on the resistance of the components.

The components that are commonly used in a parallel circuit are resistors, capacitors, and inductors. The parallel circuit has many applications, such as in power distribution systems, home wiring, and electronic devices.

Calculating Resistance in Rangkaian Paralel

The first thing to do in calculating a parallel circuit is to determine the total resistance of the circuit. The total resistance is the resistance equivalent of all components connected in parallel. The formula to calculate the total resistance is:

Total Resistance (RT) = 1 / (1/R1) + (1/R2) + (1/R3) + … + (1/Rn)

Where R1, R2, R3, …, Rn are the resistance values of each component in the parallel circuit.

Let’s take an example of a parallel circuit with three resistors with resistance values of 10 ohms, 20 ohms, and 30 ohms. To calculate the total resistance, we use the above formula:

Total Resistance (RT) = 1 / (1/10) + (1/20) + (1/30) = 5.45 Ω

The total resistance is 5.45 ohms. We can use this value to calculate the current and voltage in the circuit.

Calculating Current and Voltage in Rangkaian Paralel

The next step is to calculate the current and voltage in the parallel circuit. The formula to calculate the current in a parallel circuit is:

Total Current (IT) = V / RT

Where V is the voltage across the circuit. In the above example, let’s assume that the voltage across the circuit is 12 volts. Using the total resistance value from the previous calculation, we can calculate the total current:

Total Current (IT) = 12 V / 5.45 Ω = 2.20 A
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The total current flowing in the parallel circuit is 2.20 amperes. Since the voltage across each branch is the same, we can calculate the current in each branch by using Ohm’s law:

Current in R1 = V / R = 12 V / 10 Ω = 1.20 A
Current in R2 = V / R = 12 V / 20 Ω = 0.60 A
Current in R3 = V / R = 12 V / 30 Ω = 0.40 A

As we can see, the current flowing in each branch is different, but the voltage is the same across all branches.

Frequently Asked Questions

What is a Parallel Circuit?

A parallel circuit is a type of electric circuit where different components are connected across the same two points. In other words, the components are connected in parallel to each other.

What are the Components Used in a Parallel Circuit?

The components that are commonly used in a parallel circuit are resistors, capacitors, and inductors.

How to Calculate the Total Resistance of a Parallel Circuit?

The formula to calculate the total resistance of a parallel circuit is: RT = 1 / (1/R1 + 1/R2 + 1/R3 + … + 1/Rn).

How to Calculate the Total Current in a Parallel Circuit?

The formula to calculate the total current in a parallel circuit is: IT = V / RT.

How to Calculate the Current in Each Branch of a Parallel Circuit?

To calculate the current in each branch of a parallel circuit, we use Ohm’s law: I = V / R.

Conclusion

Calculating a parallel circuit is essential in designing and troubleshooting the circuit. It helps in determining the total resistance, current, and voltage in the circuit. We hope this article has provided you with a better understanding of how to calculate a rangkaian paralel. If you have any questions, feel free to leave a comment below.

Cara Menghitung Rangkaian Paralel