The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole huma
n bodies has a field strength of 8.36 T, and the current in the solenoid is 3.34 × 102 A. What is the number of turns per meter of length of the solenoid?
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Answer:
Explanation:
It is given that,
Number of turns in the coil, N = 220
Diameter of the coil, d = 4.4 cm
Radius of the coil, r = 2.2 cm = 0.022 m
Magnetic field produced by the poles of magnet,
Current flowing in the coil, I = 15 A
Let M is the coil's magnetic dipole moment. Its formula is given by :
So, the coil's magnetic dipole moment is . Hence, this is the required solution.