1) In what direction do magnetic field lines travel? a) From east to south. b) From north to south. c) From south to west . 2) Magnetic field around a current-carrying wire is always a) an open loop b) an close loop c) perpendicular to the wire 3) What does the field lines around current-carrying wires form ? a) open loops b) closed loops 4) The circular patterns formed by a) iron b) gold c) copper 5) The direction of the force due to a magnetic field is? a) perpendicular to the direction of motion b) close loops to the direction of motion c) open loops to the direction of motion 6) In what Magnetic fields are measured? a) mass (Kg) b) Tesla (T)

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