magnetism

• The strength of a magnetic field is known as


  Magnetic flux density
• Transformers operate on the principles of


  Mutual inductance
• Which symbol is the SI unit for magnetic flux density


  Tesla (T)
• What surrounds a load bearing conductor carrying AC


  An alternating magnetic field
• A conductor laying at right angle of a magnetic field will move if


  Current is passed through the conductor
• Identify one factor that has no influence on a magnetic flux density


  Polarity
• Electromagnetic induction using a moving coil and static magnetic field will produce


  Alternating current
• If a conductor cuts magnetic lines in flux


  An EMF is induced into the conductor
• When a coil is energized, energy is stored in


  An EMF of an conductor
• The SI unit for magnetic flux is

  Weber
• What is SI unit for force


  Newtons
• What two materials are magnetic

  • Cobalt
  • Nickel
• Electron


  The magnetic force of a material comes from the spinning of what atomic particle

  Electron
• B=Φ/a 

  B=Magnetic flux density (wb/m²)or (t) 

  Φ=Magnetic flux (wb) 

  A=Area(m²) 
• conductor in Newton's 

  B=Magnetic flux density (wb/m²)or (t) 

  I=current flow in conductor (a) 

  L=length of conductor (m) 


  What does F= B I L stand for