Magnetic Induction A square loop of wire moves at constant velocity ~v into, and

Question

Magnetic Induction A square loop of wire moves at constant velocity ~v into, and then out of a region where the magnetic field B~ is constant and pointing into the page as shown in the figure. Answer then following and please explain how you found the answers!!

a. Of the five points labeled A through E, at which point is an induced current flowing in the clockwise direction? Select all that apply.

b. Of the five points labeled A through E, at which point is an induced current flowing in the counterclockwise direction? Select all that apply.

c. The wire loop experiences a magnetic force at point B. In which direction is this force acting?

(A) The force on the loop at B points in the positive x direction. (B) The force on the loop at B points in the negative x direction.

(C) The force on the loop at B points in the positive y direction. (D) The force on the loop at B points in the negative y direction.

(E) What are you talking about. There is no magnetic force at B.

d. The wire loop experiences a magnetic force at point D. In which direction is this force acting?

(A) The force on the loop at D points in the positive x direction. (B) The force on the loop at D points in the negative x direction.

(C) The force on the loop at D points in the positive y direction. (D) The force on the loop at D points in the negative y direction.

(E) What are you talking about. There is no magnetic force at D.

Explanation / Answer

a) B
b) D
c)   (B) The force on the loop at B points in the negative x direction.
d) (B) The force on the loop at D points in the negative x direction.

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