A long wire carries a current of 20 A along the axis of a long solenoid in
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A long wire carries a current of 20 A along the axis of a long solenoid in air. The field due to the solenoid is 4.0 mT. Find the resultant field at a point 3.0 mm from the solenoid axis.
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W The situation is shown in Fig 314 The field of the solenoid B is dire...View the full answer
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