1) In the magnetic force lesson, what are the important factors that affect the magnetic field strength? a) Distance b) Air c) Direction 2) In the electric force lesson, what are the important factors that affect the electric field strength? a) Air b) Size of the charge c) type of charge 3) In the electromagnetism lesson, what do you think will affect the magnetic field strength?  a) Number of coils b) the size c) Direction of the current

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