Created By : Vaibhavi Kumari

Reviewed By : Phani Ponnapalli

Last Updated : May 07, 2023

Get the amount of energy stored in an inductor by using the Inductor Energy Storage Calculator. To check the quick results, simply enter the inductance and current values and press the calculate button.

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Inductance (L):
Current (I):

How much Energy does an Inductor Store?

One of the most prevalent electronic components is the solenoid. Solenoids have the potential to generate magnetic fields, and their inductance indicates how easily they can do so. It's crucial to understand that this magnetic field exists only while electricity flows through the coil. Surprisingly, the magnetic field stores a small amount of energy that can be released (or absorbed) as the current value changes. That is why an inductor in an AC circuit is a source of impedance.

The magnetic energy contained in a coil is calculated by using the following formula E = 1/2 LI2

I = √(2E/L)

L = 2E/I2

  • Where, E = energy stored in the inductor
  • I = current flowing through the wire
  • L= inductance of the solenoid

Applications of Magnetic Energy Storage

When the current oscillations approach the resonance frequency of the radio waves, the system can be set to send and receive radio messages.

Transformers, which shift the amplitude of voltage from one circuit to another, also require inductors. A soft ferromagnetic medium transports the magnetic energy from one coil to the other. We now enjoy comfortable and secure access to power in our cities and homes as a result of this.

How to Calculate Stored Energy?

The steps to determine the energy stored in an inductor are described below.

  • Step 1: Explain inductance and current.
  • Step 2: Multiply the inductance by the square of the current value.
  • Step 3: To check the stored energy, look for the half of the product.

For more concepts check out to get quick answers by using this free tool.

How to Use the Inductor Energy Storage Calculator?

The process for using the Inductor Energy Storage calculator is as follows

  • Step 1: Input the unknown's voltage, thickness, current, magnetic field and x in the appropriate input fields.
  • Step 2: To calculate the stored energy, click the "Calculate the unknown" option.
  • Step 3: Finally, in the output field, the object's stored energy will be displayed.

Examples of Inductor Energy

Example 1: A solenoid's inductance is 20 H, while the current flowing through it is 15 A. Determine the amount of energy stored in the inductance.



Inductance L = 20 H

Current I = 15 A

Energy stored E = 1/2 x L x I^2

E = 0.5 x 20 x 15^2

= 2250

The energy stored in an inductor is 2250 J.

FAQs on Inductor Energy Storage

1. What is inductor energy storage, and how does it work?

The entire amount of energy stored in an inductor due to the current and inductance of the material is known as inductor energy.

2. What kind of energy does an inductor store?

The energy is stored in the form of magnetic flux in an inductor.

3. Is it possible to convert AC to DC using an inductor?

The inductor is a device that stores electrical energy as magnetic energy. The inductor does not allow AC current to flow through it, but it does allow DC current.

4. How do you differentiate a coil and an inductor?

The coil conducts electricity and creates a magnetic field in its surroundings. Electromagnets, electric motors, inductors, generators, and transformers all utilise the coil in their construction. A two-terminal inductor is a passive device. An insulated wire twisted in the shape of a coil is wound around a core in this inductor.

5. Is it possible to use a resistor instead of an inductor?

You are unable to do so. Because most inductors have low resistance, the rest of the circuit may be harmed. This will have a significant impact on the circuit's functionality.