A solenoid that is 35 cm long and contains 450 circular coils 2.0 cm in diameter carries

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A solenoid that is 35 cm long and contains 450 circular coils 2.0 cm in diameter carries a 1.75-A current.

(a) What is the magnetic field at the center of the solenoid, 1.0 cm from the coils?

(b) Suppose we now stretch out the coils to make a very long wire carrying the same current as before. What is the magnetic field 1.0 cm from the wire's center? Is it the same as that in part (a)9 Why or why not?

Related Book For answer-question

Introduction to Electrodynamics

ISBN: 978-8120316010

3rd Edition

Authors: David J. Griffiths

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Posted Date: Mar 13, 2019 09:57 AM

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A solenoid that is 35 cm long and contains 450 circular coils 2.0 cm in diameter carries

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Expert Answer:

a Apply BiotSavart Law to find magnetic field at the center of the solenoid B s 0 nl Here 0 is Magne... View the full answer

Introduction to Electrodynamics

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