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A wooden stick of length 3l is rotated about an end with constant angular velocity w in a uniform magnetic field B perpendicular to the plane of motion. If the upper one third of its length in coated with copper, the potential difference across the copper coating of the stick is 
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
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A wooden stick of length 3l is rotated about an end with constant angu...
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A wooden stick of length 3l is rotated about an end with constant angu...
When the rod rotates, there will be an induced current in the rod. The given situation can be treated as if a rod 'A' of length '3ℓ' rotating in the clockwise direction, while an other rod 'B. of length '2ℓ' rotating in the anticlockwise direction with same angular speed 'ω'. 
As ]  
For 'A'  

Resultant induced emf will be : 

⇒ 
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A wooden stick of length 3l is rotated about an end with constant angular velocity w in a uniform magnetic field B perpendicular to the plane of motion. If the upper one third of its length in coated with copper,the potential difference across the copper coating of the stick isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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A wooden stick of length 3l is rotated about an end with constant angular velocity w in a uniform magnetic field B perpendicular to the plane of motion. If the upper one third of its length in coated with copper,the potential difference across the copper coating of the stick isa)b)c)d)Correct answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A wooden stick of length 3l is rotated about an end with constant angular velocity w in a uniform magnetic field B perpendicular to the plane of motion. If the upper one third of its length in coated with copper,the potential difference across the copper coating of the stick isa)b)c)d)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A wooden stick of length 3l is rotated about an end with constant angular velocity w in a uniform magnetic field B perpendicular to the plane of motion. If the upper one third of its length in coated with copper,the potential difference across the copper coating of the stick isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?.
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