Electric Field Calculator
To calculate the electric field at a point, divide the product of the charge and Coulomb’s constant by the square of the distance from the charge.
The Electric Field Calculator is ideal for calculating the magnitude of the electric field that is generated by a point charge. This tool is widely used in physics and engineering to study forces and interactions in electrical systems.
Moreover, it’s helpful in calculating the field strength at a specific point or analyzing multiple charges in a system. Whether you’re solving complex problems involving dipoles or calculating fields for capacitors and antennas, this calculator ensures precise results while simplifying the computation process.
Formula
E = k ∗ Q / r²
Variable | Description |
---|---|
E | Electric field strength (in N/C) |
k | Coulomb’s constant (8.99 × 10⁹ N·m²/C²) |
Q | Charge (in Coulombs) |
r | Distance from the charge (in meters) |
Solved Calculations
Example 1:
Input | Value |
---|---|
Charge (Q) | 2 × 10⁻⁶ C |
Distance (r) | 0.5 m |
Formula Used | E = (8.99 × 10⁹ ∗ 2 × 10⁻⁶) / (0.5)² |
Electric Field (E) | ~71.92 × 10³ N/C |
Example 2:
Input | Value |
---|---|
Charge (Q) | 5 × 10⁻⁷ C |
Distance (r) | 1 m |
Formula Used | E = (8.99 × 10⁹ ∗ 5 × 10⁻⁷) / (1)² |
Electric Field (E) | ~4.495 × 10³ N/C |