Three long wires parallel to the x axis carry currents as shown. If I = 20 A, what is the magnitude of the magnetic field at the origin?
a.
37 ?T
b.
28 ?T
c.
19 ?T
d.
47 ?T
e.
58 ?T
c
You might also like to view...
Which of the following wavelength regions can be studied with telescopes on the ground?
A) radio, visible, and very limited portions of the infrared and ultraviolet regions B) all light with wavelengths longer than ultraviolet wavelengths C) all light with wavelengths shorter than infrared wavelengths D) infrared, visible, and ultraviolet light
Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t.The work you do on the crate is Fv
a. True b. False Indicate whether the statement is true or false
Which model of the universe gives the youngest age for its present size?
A) a recollapsing universe B) a coasting universe C) a critical universe D) an accelerating universe E) all models give the same age
A charged particle moves with a constant speed through a region where a uniform magnetic field is present. If the magnetic field points straight upward, the magnetic force acting on this particle will be strongest when the particle moves
A) straight upward. B) straight downward. C) upward at an angle of 45° above the horizontal. D) in a plane parallel to Earth's surface.