Electromagnetism Flashcards
One of the four fundamental interaction in nature
Electromagnetism / Electromagnetic force
Statis distribution of charges produce
Electric field
Changes in motion (electrical current) produce
Magnetic field
Electrons in motion
Electric current
Showed that electricity and magnetism were related
Hans christian Oersted
Magnet is equal to a coil of wire carrying a current
Andre Marie Ampere
A coil of wire carrying a current
Solenoid
Alignment of the molecules with an external magnetic field
Magnetization
Molecule of permanent magnet has
Close current loop
Built the first electric motor and first transformer and generator
Michael Faraday
The force initiated by electric charges or magnetism as a disturbance in space
Field
Magnitude of induced current
Strength
Velocity
Angle of conductor
Number of turns
Change mechanical to electrical energy
Generator
Converts electrical enery to motion
Electric motor
Ferromagnetic properties of an iron core to efficiently raise or lower AC voltages
Transformer
Induced current in the coil produces a magnetic field to oppose the change in magnetic field which produced it
Lenz law
Proposed changing magnetic field can make an electric field and vice versa
James Clark Maxwell
Generated in the space around a current flowing
Magnetix flux
Flux came from a latin word _______ and _______ means to flow
“Fluxus”
“Fluere”
SI unit for magnetic flux
Weber (Wb) - volts second
Arranging wire in a coil and running current produce field that is a bar magnet
Electromagnet
Shove the magnet back and forth depending on diretion
Solenoid
Current carrying coil pf wire that intensifies the magnetic field
Electromagnet
Electromagnet can be strong by
Wrapping the coil around iron core
Adding turns
Increase current flow
