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Question

%3Cp%3EBy%20showing%20all%20step%20at%20work%20solve%20the%20problem%20of%20a%20Helmholtz%0Acoils%3A%20Two%20identical%20coaxial%20coils%20of%20N%20turns%20and%20a%20radius%20R%20%2C%0Acarrying%20current%20I%20%20in%20the%20same%20sense%2C%20are%20seperated%20by%0Adistance%20R%20along%20the%20z-axis.At%20the%20center%20shown%20that%26nbsp%3B%0A%26nbsp%3B%26nbsp%3B%20%3Cspan%20class%3D%22finalized_jax%22%3E%5C(B%3D8%5Cmu%0ANI%2F5%5E%7B3%2F2%7DR%5C)%3C%2Fspan%3E%20%26nbsp%3B%3C%2Fp%3E%0A%3Cp%3EEvaluate%20for%20N%3D100%2C%20I%3D2A%20%2C%20R%2B0.1m%20%26nbsp%3B%3C%2Fp%3E%0A

Explanation / Answer

B = 8uNI/(5^(3/2) * R )

B = 8 * 4 * pi * 10^(-7) * 100 * 2 / (5^1.5 * 0.1)

=1.798 * 10^(-3) T

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