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    Exam 30: Sources of the Magnetic Field
  5. Question
    What Current in a Solenoid 15
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What Current in a Solenoid 15

Question 65

Question 65

Short Answer

What current in a solenoid 15.0-cm long wound with 100 turns would produce a magnetic field equal to that of the Earth, 5.00 × 10−5 T?

Correct Answer:

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