16. Lines of the magnetic field produced by a long straight wire carrying a current are: a. In the direction of the current b. Opposite to the direction of the current c. Radially outward from the wire d. Radially inward toward the wire e. Circles that are concentric with the wire

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Chapter29: Magnetic Fields
Section: Chapter Questions
Problem 29.12OQ
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Please answer question numbers 16, 17 and 18. 

16. Lines of the magnetic field produced by a long straight wire carrying a current are:
a. In the direction of the current
b. Opposite to the direction of the current
c. Radially outward from the wire
d. Radially inward toward the wire
e. Circles that are concentric with the wire
17. What gives rise to diverging electric fields?
a. magnetic monopoles
18. What must be u sed in addition to Maxwell's equation to predict the motion of a charged
particle q in the presence of other electrical charges and currents?
a. nothing else
b. the Lorentz force law F=q E vxB and Newton's law F=m a
c. only the Lorentz force law F=qE vxB
d. only Newton's law F=m a
b. magnetic dipoles c. magnetic charges d. electric charges
Transcribed Image Text:16. Lines of the magnetic field produced by a long straight wire carrying a current are: a. In the direction of the current b. Opposite to the direction of the current c. Radially outward from the wire d. Radially inward toward the wire e. Circles that are concentric with the wire 17. What gives rise to diverging electric fields? a. magnetic monopoles 18. What must be u sed in addition to Maxwell's equation to predict the motion of a charged particle q in the presence of other electrical charges and currents? a. nothing else b. the Lorentz force law F=q E vxB and Newton's law F=m a c. only the Lorentz force law F=qE vxB d. only Newton's law F=m a b. magnetic dipoles c. magnetic charges d. electric charges
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