4.4 Magnetic fields Flashcards
What is a magnetic field?
Describe the properties of the magnetic field? (around a current carrying straight wire)
What is the RIGHT HAND GRIP rule?
How do magnetic field lines interact?
What does the magnetic field due to a long solenoid look like?
How can we predict the direction of the magnetic field by inspecting the end loops?
What is Fleming’s LEFT HAND rule?
What is the equation for Magnetic force and define each letter/term?
What is the definition of magnetic flux density (B)?
What id the definition of the unit of Flux Density, the Tesla?
What is the definition of the magnetic field strength?
What does the unit Henry mean and what are the SI units?
What is a solenoid?
What does an addition of an iron do in a solenoid?