How it works
Stored magnetic energy = ½ × inductance × current² for a linear inductor.
Input definitions
- Inductance (H)
- Enter the value in the labeled unit.
- Current (A)
- Enter the value in the labeled unit.
A worked example
- Inductance (H)
- 0.2
- Current (A)
- 3
Assumptions & limits
Ideal educational model in the stated SI units. Real equipment, structural design and safety decisions need appropriate professional analysis; losses are excluded unless entered.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-18. Content checked against the stated method and examples. Our verification approach.
Common questions
Can the current be negative?
Yes. Stored energy depends on the square of current and remains nonnegative. Core saturation and hysteresis are excluded.
How does Energy stored in an inductor work?
Stored magnetic energy = ½ × inductance × current² for a linear inductor.
What should I check before using Energy stored in an inductor?
Ideal educational model in the stated SI units. Real equipment, structural design and safety decisions need appropriate professional analysis; losses are excluded unless entered.