A rectangular coil pqrs is moved away from an infinite, straight wire carrying a current as shown in figure. Which of the following statements is correct?

  • Option 1)

    There is no induced current in coil pqrs

  • Option 2)

    The induced current in coil pqrs is in the clockwise sense

  • Option 3)

    The induced current in the coil pqrs is in anticlockwise direction

  • Option 4)

    None of the above

 

Answers (1)

As we discussed in concept

Lenz's law -

This law gives the direction of induced emf /induced current

- wherein

The direction of induced emf or current in a circuit is such as to oppose the cause that produces it.

 

 Induced current in this case is caused by decreasing flux through loop, hence induced current will be produced in the same direction as produced by the wire. Hence induced current will be clockwise such that field is produced by induced current is into the plane.


Option 1)

There is no induced current in coil pqrs

This option is incorrect.

Option 2)

The induced current in coil pqrs is in the clockwise sense

This option is correct.

Option 3)

The induced current in the coil pqrs is in anticlockwise direction

This option is incorrect.

Option 4)

None of the above

This option is incorrect.

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