There is a current I flowing in a clockwise direction in a square loop of wire that is in the plane of the paper. If the magnetic field B is toward the right, and if each side of the loop has length L, then the net magnetic force acting on the loop is
a.
2ILB.
b.
ILB.
c.
IBL2.
d.
zero.
d
You might also like to view...
Series/Parallel Circuits: For the circuit shown in the figure, the current in the 8.0-? resistor is 0.50A. What is the current in the 2.0-? resistor? All the numbers shown are accurate to two significant figures.
A. 2.25 A B. 0.75 A C. 4.5 A D. 9.5 A E. 6.4 A
An object is being acted upon by three forces and moves with a constant velocity. One force is 60 N along the +x-axis, the second is 75 N along a direction making a counterclockwise angle of 150° with the +x-axis
(a) What is the magnitude of the third force? (b) What is the direction of the third force, measured clockwise from the +x-axis?
A current carrying loop of wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense. (a) For points OUTSIDE the loop, the magnetic field caused by this current A
circles the loop in a clockwise direction. B) circles the loop in a counterclockwise direction. C) points straight up. D) points straight down. E) is zero. (b) For points INSIDE the loop, the magnetic field caused by this current A. circles the loop in a clockwise direction. B) circles the loop in a counterclockwise direction. C) points straight up. D) points straight down. E) is zero.
Recent high resolution radio observations show that quasars can be classified as
a. exploding supernova stars. b. exploding planets. c. normal galaxies like our Milky Way Galaxy. d. a kind of active galaxy similar to Seyfert and radio galaxies.