1. Which of the following statements is false? The magnetic field of a current-carrying wire
(a) Is directed circularly around the wire.
(b) Decreases inversely with the distance from the wire.
(c) Exists only if the current in the wire is changing.
(d) Depends on the magnitude of the current.
2. A wire carries a current directly away from you. Which way do the magnetic field lines produced by this wire point?
(a) They point parallel to the wire in the direction of the current.
(b) They point parallel to the wire opposite the direction of the current.
(c) They point toward the wire.
(d) They point away from the wire.
(e) They make circles around the wire.