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A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant, uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the following
  • a)
    The entire rod is at the same electric potential.
  • b)
    There is an electric field in the rod.
  • c)
    The electric potential is highest at the centre of the rod and decreases towards its ends.
  • d)
    The electric potential is lowest at the centre of the rod, and increases towards its ends
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A metal rod moves at a constant velocity in a direction perpendicular ...
A motional emf, e = Blv is induced in the rod. Or we can say a potential difference is induced between the two ends of the rod AB, with A at higher potential and B at lower potential.
Due to this potential difference, there is an electric field in the rod.
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A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant, uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the followinga)The entire rod is at the same electric potential.b)There is an electric field in the rod.c)The electric potential is highest at the centre of the rod and decreases towards its ends.d)The electric potential is lowest at the centre of the rod, and increases towards its endsCorrect answer is option 'B'. Can you explain this answer?
Question Description
A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant, uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the followinga)The entire rod is at the same electric potential.b)There is an electric field in the rod.c)The electric potential is highest at the centre of the rod and decreases towards its ends.d)The electric potential is lowest at the centre of the rod, and increases towards its endsCorrect answer is option 'B'. 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 A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant, uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the followinga)The entire rod is at the same electric potential.b)There is an electric field in the rod.c)The electric potential is highest at the centre of the rod and decreases towards its ends.d)The electric potential is lowest at the centre of the rod, and increases towards its endsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant, uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the followinga)The entire rod is at the same electric potential.b)There is an electric field in the rod.c)The electric potential is highest at the centre of the rod and decreases towards its ends.d)The electric potential is lowest at the centre of the rod, and increases towards its endsCorrect answer is option 'B'. Can you explain this answer?.
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