Question

A uniformly charged disk with a radius of ( 0.9 mathrm{~m} ) is rotating around an axis passing through the center of the disk and perpendicular to the plane of the disk. What is the magnitude of the magnetic field (in ( mathrm{pT} ) ) of the disk ( 0.3 mathrm{~m} ) above the center of the disk along the perpendicular bisector of the disk if the angular speed of the disk is ( 7 mathrm{rad} / mathrm{s} ) and the electric charge density of the disk is ( 5 mathrm{mC} / mathrm{m}^{2} ) ? Assume the disk is in vacuum.

          A uniformly charged disk with a radius of ( 0.9 mathrm{~m} ) is rotating around an axis passing through the center of the disk and perpendicular to the plane of the disk. What is the magnitude of the magnetic field (in ( mathrm{pT} ) ) of the disk ( 0.3 mathrm{~m} ) above the center of the disk along the perpendicular bisector of the disk if the angular speed of the disk is ( 7 mathrm{rad} / mathrm{s} ) and the electric charge density of the disk is ( 5 mathrm{mC} / mathrm{m}^{2} ) ? Assume the disk is in vacuum.

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A uniformly charged disk with a radius of ( 0.9 mathrm m ) is rotating around an axis passing through the center of the disk and perpendicular to the plane of the disk. What is the magnitude of the magnetic field (in ( mathrmpT ) ) of the disk ( 0.3 mathrm m ) above the center of the disk along the perpendicular bisector of the disk if the angular speed of the disk is ( 7 mathrmrad / mathrms ) and the electric charge density of the disk is ( 5 mathrmmC / mathrmm^2 ) ? Assume the disk is in vacuum.

Added by Aaron M.

Principles of Physics

David Halliday , Robert Resnick , Jearl… 10th Edition

Chapter 22

Instant Answer

Solved by Expert Andrew Eddins

06/20/2024

Step 1

- Radius of the disk, \( r = 0.9 \) m - Distance from the center of the disk along the perpendicular bisector, \( z = 0.3 \) m - Angular speed of the disk, \( \omega = 7 \) rad/s - Surface charge density of the disk, \( \sigma = 5 \) mC/m² (which is \( 5 \times Show more…

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A uniformly charged disk with a radius of 0.9 m is rotating around an axis passing through the center of the disk and perpendicular to the plane of the disk. What is the magnitude of the magnetic field (in pT) of the disk 0.3 m above the center of the disk along the perpendicular bisector of the disk if the angular speed of the disk is 7 rad/s and the electric charge density of the disk is 5 mC/m²? Assume the disk is in vacuum.

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