A(n) ______________ Needs Current from an External Source to Maintain

Q1: When a wire carrying current is placed

Q2: Like magnetic poles attract each other and

Q3: Every magnet has invisible magnetic field lines

Q4: Flux density includes total area, whereas flux

Q5: Magnetic field lines are affected by air,

Q7: The entire group of magnetic field lines,

Q8: What is the device that is basically

Q9: Which of the following is not a

Q10: In the cgs system, the gauss is

Q11: What magnetic effect is at the heart