Electromagnetism Flashcards
What is faradays law
If a closed loop conductor passes through magnetic lines of flux or flux lines pass through a conductor ,
A current will flow in that conductor
What is electromagnetism influenced by?
Magnetic field strength
Conductor length
The rate of cutting the lines of force
What are the three things emf is induced by?
Flux density
Length of conductor
Velocity
What creates the induced voltage of a generator ?
Loop of wire rotating in a magnetic field which continuously changes the flux through it
What are parallel conductors ?
Experience a force of attraction if the two current are in the same direction
For maximum concentrated magnetic effect the coil is surrounded by what?
Soft iron core
What does the electromagnetic strength depend on?
Amount of current
Number of turns
Type of core
