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- Stuck here, help me understand: 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?
- #Birla Institute of Technology & Science Admission Test
- #Engineering
- #Physics
- #Electromagnetic Induction
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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