# Ohm’s Law Calculator

### Instructions on How to Use the Calculator:

**Select Calculation Type**:- Choose whether you want to calculate
**Voltage (V), Current (I), or Resistance (R)**from the dropdown menu.

- Choose whether you want to calculate
**Enter Values**:- Based on your selection, input the required values:
- If calculating Voltage (V): Enter the Current (I) and Resistance (R).
- If calculating Current (I): Enter the Voltage (V) and Resistance (R).
- If calculating Resistance (R): Enter the Voltage (V) and Current (I).

- Based on your selection, input the required values:
**Calculate**:- Click the
**“Calculate”**button to compute the missing value. The result and the formula used for the calculation will be displayed in the highlighted box.

- Click the
**Reset**:- Click the
**“Reset”**button to clear all input fields and the result. This allows you to perform new calculations without any previous data.

- Click the

If you encounter any issues or have further questions, please consult additional resources or seek expert advice.

### Ohms Law Formula

Ohm’s Law is a fundamental principle in electrical engineering that defines the relationship between voltage, current, and resistance in an electrical circuit. The formulas used in Ohm’s Law are as follows:

**Voltage (V)**:

**V = I×R**

Where V is the voltage in volts (V), I is the current in amperes (A), and R is the resistance in ohms (Ω).

**Current (I)**:

**I = V
R**

Where I is the current in amperes (A), V is the voltage in volts (V), and R is the resistance in ohms (Ω).

**Resistance (R)**:

**R = V
I**

Where R is the resistance in ohms (Ω), V is the voltage in volts (V), and I is the current in amperes (A).

### Explanation:

**Voltage (V)**is the potential difference between two points in a circuit.**Current (I)**is the flow of electric charge through a conductor.**Resistance (R)**is the opposition to the flow of current in an electrical circuit.

These formulas allow you to calculate one of the values if the other two are known, making it a versatile tool for analyzing electrical circuits.

### Example Calculations:

**Calculating Voltage (V)**:

If the current (I) is 2 amperes and the resistance (R) is 5 ohms:

**V = I×R = 2A×5Ω = 10V**

**Calculating Current (I)**:

If the voltage (V) is 10 volts and the resistance (R) is 5 ohms:

**I = V = 10V = 2A
R 5Ω**

**Calculating Resistance (R)**:

If the voltage (V) is 10 volts and the current (I) is 2 amperes:

**R = V = 10V = 5A
I 2Ω**

### Practical Use:

These formulas are essential for designing and troubleshooting electrical circuits, allowing engineers and technicians to ensure that components operate within their specified ranges and to diagnose issues when they arise.