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A long solenoid carrying a current produces amagnetic field B along its axis. If the current isdouble and the number of turns per cm is halved,the new value of the magnetic field is     [2003]
  • a)
    4B
  • b)
    B/2
  • c)
    B
  • d)
    2B
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A long solenoid carrying a current produces amagnetic field B along it...
B = μ0ni
⇒ B1 = B
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A long solenoid carrying a current produces amagnetic field B along its axis. If the current isdouble and the number of turns per cm is halved,the new value of the magnetic field is [2003]a)4Bb)B/2c)Bd)2BCorrect answer is option 'C'. Can you explain this answer?
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A long solenoid carrying a current produces amagnetic field B along its axis. If the current isdouble and the number of turns per cm is halved,the new value of the magnetic field is [2003]a)4Bb)B/2c)Bd)2BCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A long solenoid carrying a current produces amagnetic field B along its axis. If the current isdouble and the number of turns per cm is halved,the new value of the magnetic field is [2003]a)4Bb)B/2c)Bd)2BCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A long solenoid carrying a current produces amagnetic field B along its axis. If the current isdouble and the number of turns per cm is halved,the new value of the magnetic field is [2003]a)4Bb)B/2c)Bd)2BCorrect answer is option 'C'. Can you explain this answer?.
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