Lenz's Law Video Lessons

Concept

# Problem: A long straight wire is in the plane of a rectangular conducting loop. The straight wire initially carries a constant current i in the direction shown. While the current i is being shut off, the current in the rectangle is: A. zeroB. clockwise C. counterclockwise D. clockwise in the left side and counterclockwise in the right side E. counterclockwise in the left side and clockwise in the right side

###### FREE Expert Solution

Using right-hand grip rule for the long straight wire:

The thumb points upward. The fingers curl into the rectangular conducting loop.

When the current is shut off, the flux through the loop is into the screen and decreasing.

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###### Problem Details

A long straight wire is in the plane of a rectangular conducting loop. The straight wire initially carries a constant current i in the direction shown. While the current i is being shut off, the current in the rectangle is:

A. zero

B. clockwise

C. counterclockwise

D. clockwise in the left side and counterclockwise in the right side

E. counterclockwise in the left side and clockwise in the right side