By how much is the approximation B = µonI [or in terms of 4πke Coulomb's constant ke, B = nI] in error at the center c² of a solenoid that is 10 cm long, has a diameter of 7 cm, is wrapped with n turns per meter, and carries a current I? Hint Compared to the exact expression, the approximation B= MonI is Select an answer by = %.
By how much is the approximation B = µonI [or in terms of 4πke Coulomb's constant ke, B = nI] in error at the center c² of a solenoid that is 10 cm long, has a diameter of 7 cm, is wrapped with n turns per meter, and carries a current I? Hint Compared to the exact expression, the approximation B= MonI is Select an answer by = %.
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Question
![By how much is the approximation B = μonI [or in terms of
4πke
Coulomb's constant ke, B
=
nI] in error at the center
c²
of a solenoid that is 10 cm long, has a diameter of 7 cm, is
wrapped with n turns per meter, and carries a current I?
Hint
Compared to the exact expression, the approximation
B = μonI is Select an answer by
%.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9bd1217a-91ba-44de-b552-38ea0e6629c6%2F100cc250-316c-4520-b408-4e26072199b8%2F4j5hhkl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:By how much is the approximation B = μonI [or in terms of
4πke
Coulomb's constant ke, B
=
nI] in error at the center
c²
of a solenoid that is 10 cm long, has a diameter of 7 cm, is
wrapped with n turns per meter, and carries a current I?
Hint
Compared to the exact expression, the approximation
B = μonI is Select an answer by
%.
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