1. Tardigrade
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  3. Physics
  4. A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current I. The distance bet-ween the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and the right sides of the loop when the loop is pulled? a Counterclockwise To the left To the left b Counterclockwise To the right To the left c Clockwise To the right To the left d Clockwise To the left To the right

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Q. A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current $I$. The distance bet-ween the wire and the left side of the loop is $r$. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and the right sides of the loop when the loop is pulled?
a Counterclockwise To the left To the left
b Counterclockwise To the right To the left
c Clockwise To the right To the left
d Clockwise To the left To the right
Physics Question Image

Electromagnetic Induction

Solution:

image
As the flux decreases, to maintain flux, current in the loop is clockwise. Force on $D A$ due to the long wire is towards left while on $B C$ is towards right.