A 2.0-cm length of wire centered on the origin carries a 20-A current directed in the positive y direction. Determine the magnetic field at the point x = 5.0 m on the x-axis
a. 1.6 nT in the negative z direction
b. 1.6 nT in the positive z direction
c. 2.4 nT in the negative z direction
d. 2.4 nT in the negative z direction
e. None of the above
A
You might also like to view...
A sound intensity of 70 dB is observed at a distance d from the source of sound. What sound intensity would be observed at a distance 2d from the source?
a. 68 dB c. 64 dB b. 67 dB d. 62 dB
What observational evidence do we have that eruptions in the centers of galaxies involve magnetic fields?
What will be an ideal response?
Reverberation is a phenomenon you would be most likely to hear if you sing in
A) the shower. B) a small drape-covered room. C) a large drape-covered room. D) the desert.
The magnetic field of the Earth at a particular location is directed vertically downward with magnitude of 40.0 ?T. An electron is moving horizontally toward the west in this field with a speed of 5.2 × 10^6 m/s. What are the direction and magnitude of the magnetic force the field exerts on the electron? (e = 1.6 × 10^–19 C)
a. 3.33E–17,south b. 3.33E–17,north c. 2.08E–20,south d. 2.08E–20,north