Ch 27: Sources of Magnetic FieldWorksheetSee all chapters
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Solution: A large MRI magnet is a large solenoid (with superconducting wires having zero resistance) with diameter 0.60 m and length 1.8 m. During normal operation, the current through the windings is 110 A and

Problem

A large MRI magnet is a large solenoid (with superconducting wires having zero resistance) with diameter 0.60 m and length 1.8 m. During normal operation, the current through the windings is 110 A and the magnetic field magnitude is 1.3 T. How many total windings does the MRI magnet have?

(1) 16,900

(2) 9,400

(3) 13,000

(4) 15,500

(5) 14,700