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Question: A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. Suppose the experiment is done inside a solenoid of diameter 1.3m, length 4.0m, with a total of 6000 turns of wire. The solenoid is oriented to produce a field that opposes and exactly cancels the field of the earth.

Question 1: What current is needed in the solenoid's wires?

Please explain your answer and steps. Thanks.

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  • Category:- Physics
  • Reference No.:- M91233532

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