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A rectangular loop carrying a current I is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in a plane of the loop. If a steady current I is established in wire as shown in figure, the loop will
  • a)
    move away from the wire or towards right
  • b)
    remain stationary
  • c)
    rotate about an axis parallel to the wire
  • d)
    move towards the wire
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A rectangular loop carrying a current I is situated near a long straig...
The long straight wire and side AB  carry current in the same direction, hence will attract each other.
The long straight wire and side CD carry current in the opposite direction, hence will repel each other.
Force on side BC  will be equal and opposite to force on side DA.
Since CD  is farther from the wire than AB,  the force of attraction on  AB  will exceed the force of repulsion on CD.
Hence, there will be a net force of attraction on the loop ABCD and it will move towards the wire.
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Most Upvoted Answer
A rectangular loop carrying a current I is situated near a long straig...
Wires placed close to each other carry current in the same direction and hence attract. Wires placed far apart carry current in opposite direction and hence repel each other. But here attraction is strong and repulsion is weak. So, loop moves towards the wire.

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Community Answer
A rectangular loop carrying a current I is situated near a long straig...
A square loop carrying a current i is situated near a long straight current carrying wire such that the wire is parallel to one of the side of the loop and is in the plane of the loop as shown in the figure.
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A rectangular loop carrying a current I is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in a plane of the loop. If a steady current I is established in wire as shown in figure, the loop willa)move away from the wire or towards rightb)remain stationaryc)rotate about an axis parallel to the wired)move towards the wireCorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A rectangular loop carrying a current I is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in a plane of the loop. If a steady current I is established in wire as shown in figure, the loop willa)move away from the wire or towards rightb)remain stationaryc)rotate about an axis parallel to the wired)move towards the wireCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A rectangular loop carrying a current I is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in a plane of the loop. If a steady current I is established in wire as shown in figure, the loop willa)move away from the wire or towards rightb)remain stationaryc)rotate about an axis parallel to the wired)move towards the wireCorrect answer is option 'D'. Can you explain this answer?.
Solutions for A rectangular loop carrying a current I is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in a plane of the loop. If a steady current I is established in wire as shown in figure, the loop willa)move away from the wire or towards rightb)remain stationaryc)rotate about an axis parallel to the wired)move towards the wireCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
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