there's a magnetic field around it.
Not sure what the comparison is here . . slower than what would be a good question.
ammpre
Transmission Lines are an example of electic current
Transmission Lines are an example of electic current
These particles are the electrons.
ohm
Electrons
Any coil produces a magnetic field when it has an electic current passing through it. It's usual to use copper wire, and 1 amp through ten turns has the same effect as ten amps through one turn . . etc.
Basically like any other electric heater. There's a coil of insulated wire through which current is passed. This heats the wire which is contained within the iron and heats it. The wire may not itself be insulated. It may just be wound around a non-conducting former like mica with the coils not touching one another and unable to move so they do.
A current-carrying wire has moving electrical charges, creating a magnetic field around it, while a wire with no current has static charges at rest. The current-carrying wire produces a magnetic field perpendicular to the current flow, whereas in a wire with no current, there is no associated magnetic field. Additionally, a current-carrying wire generates heat due to the flow of electrons, while a wire with no current does not.
It measures current by creating a coil around the current carrying wire. Current flowing in the wire induces a current in the amp-meter proportional to the current flowing in the wire.
A wire with some resistance and a voltage applied to it The amount of current I passing this wire is V/R