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What is the magnetic field where the electrons are traveling that results from this 1 A current in the Helmholtz coils? Hint: Evaluate the expression

What is the magnetic field where the electrons are traveling that results from this 1 A current in the Helmholtz coils? Hint: Evaluate the expression given for the field between two Helmholtz coils with the dimensions used in the experiment.

Provide a numerical answer with no units, simply the field in "microtesla", that is in 10-6 T. For example, if you found 3.4 x 10-4 T, answer "340".

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