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...
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
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