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The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 4.5 µT. What is the current through the long wire? Hint The current through the long wire is A.

The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 4.5 µT. What is the current through the long wire? Hint The current through the long wire is A.

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The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 4.5 μT. What is the current through the long wire? Hint The current through the long wire is A.
Transcribed Image Text:The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 4.5 μT. What is the current through the long wire? Hint The current through the long wire is A.
When the current through a circular loop is 14 A, the magnetic field at its center is 1 × 10−4 T. What is the radius of the loop? Hint Radius of the loop is cm.
Transcribed Image Text:When the current through a circular loop is 14 A, the magnetic field at its center is 1 × 10−4 T. What is the radius of the loop? Hint Radius of the loop is cm.
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