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An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will be
  • a)
    zero
  • b)
    anticlockwise of the +ve z axis
  • c)
    clockwise of the +ve z axis
  • d)
    along the magnetic field
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An infinitely long cylinder is kept parallel to an uniform magnetic fi...
KEY CONCEPT : For a current to induce in cylindrical conducting rod,
(a) the conducting rod should cut magnetic lines of force which will happen only when the conducting rod is moving. Since conducting rod is  at rest, no current will be induced.
(b) the magnitude/direction of the magnetic field changes.
A changing magnetic field will create an electric field which can apply force on the free electrons of the conducting rod and a current will get induced.
But since the magnetic field is constant, no current will be induced.
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An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will bea)zerob)anticlockwise of the +ve z axisc)clockwise of the +ve z axisd)along the magnetic fieldCorrect answer is option 'A'. Can you explain this answer?
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An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will bea)zerob)anticlockwise of the +ve z axisc)clockwise of the +ve z axisd)along the magnetic fieldCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will bea)zerob)anticlockwise of the +ve z axisc)clockwise of the +ve z axisd)along the magnetic fieldCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An infinitely long cylinder is kept parallel to an uniform magnetic field B directed along positive z-axis. The direction of induced current as seen from the z-axis will bea)zerob)anticlockwise of the +ve z axisc)clockwise of the +ve z axisd)along the magnetic fieldCorrect answer is option 'A'. Can you explain this answer?.
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