Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Types of electric, magnetic and electromagnetic fields.
| Field type | Type | Potential difference | Intensity |
|---|---|---|---|
| Electric | Direct (DC) or alternating (AC) | Current | Amperes |
| Magnetic | Static or time-varying | Volt | Gauss or Tesla |
| Electromagnetic | Static or pulsed | Volt | Gauss or Tesla |
