A circular loop of wire is located near a straight current carrying wire as show

Question

A circular loop of wire is located near a straight current carrying wire as shown. The current in the straight wire is changing with time. Answer the following questions.

Question 1 of 6

Question 2 of 6

Question 3 of 6

Question 1 of 6

5.0 Points Of the four cases shown, in which case is the induced current in the loop clockwise? Select all that apply. A. Case 1 B. Case 2 C. Case 3 D. Case 4 E. None of them

Question 2 of 6

5.0 Points Of the four cases shown, in which case is the induced current in the loop counterclockwise? Select all that apply. A. Case 1 B. Case 2 C. Case 3 D. Case 4 E. None of them

Question 3 of 6

5.0 Points Of the four cases shown, in which case is the loop attracted to the wire? Select all that apply. A. Case 1 B. Case 2 C. Case 3 D. Case 4 E. None of them

I decreasing Case I Case 2 Case 3 Case 4

Explanation / Answer

Here ,

for the direction of induced current ,

we can find the direction of induced current is given by Lenz's law

If an induced current flows, its direction is always such that it will oppose the change which produced it.

1) for the induced current in the loop is clockwise

as the magnetic flux through the induced magnetic field must be INTO the page.

for the case 2

and for case 4

2)the induced current in the loop is counter clockwise

as the magnetic flux through the induced magnetic field must be OUT OF page.

for case 1 , 3

3)

for the loop to be attracted to the wire

the current in the near side of loop must be in same direction as the currnet in the wire

for case 3 , 4

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