Problem 28.24 The disk shown in (Figure 1) is charged with electrons and spins c

ID: 1357277 • Letter: P

Question

Problem 28.24

The disk shown in (Figure 1) is charged with electrons and spins counterclockwise when viewed from above.

Part A

From this perspective, what is the direction of the magnetic dipole moment of the disk? (PICK ONE)

Problem 28.24

The disk shown in (Figure 1) is charged with electrons and spins counterclockwise when viewed from above.

Part A

From this perspective, what is the direction of the magnetic dipole moment of the disk? (PICK ONE)

From this perspective, what is the direction of the magnetic dipole moment of the disk? The disks magnetic dipole moment points in the negative x direction. The disks magnetic dipole moment points in the positive y direction. The disks magnetic dipole moment points in the positive x direction. The disks magnetic dipole moment points in the negative z direction. The disks magnetic dipole moment points in the negative y direction. The disks magnetic dipole moment points in the positive z direction.

Explanation / Answer

direction of magnetic dipole moment is given by right hand thumb rule.

make a fist in the direction of current flow and the right hand thumb will give the direction of moment.

now here electrons are moving in counterclockwise.

then current is in clockwise direction.

then using thumb rule,

we see that moment will be along negative z direction.

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Problem 28.24 The disk shown in (Figure 1) is charged with electrons and spins c

Problem 28.26 - Copy Part A IP When green light ( = 565 nm ) passes through a pa

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Problem 28.24 The disk shown in (Figure 1) is charged with electrons and spins c

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