A magnetic dipole with a dipole moment of magnitude 0.0324 J/T is released from rest in a uniform magnetic field of magnitude 54.6 mT. The rotation of the dipole due to the magnetic force on it is unimpeded. When the dipole rotates through the orientation where its dipole moment is aligned with the magnetic field, its kinetic energy is 0.779 mJ. (a) What is the initial angle between the dipole moment and the magnetic field? (b) What is the angle when the dipole is next (momentarily) at rest?
A magnetic dipole with a dipole moment of magnitude 0.0324 J/T is released from rest in...
A magnetic dipole with a dipole moment of magnitude 0.0216 J/T is released from rest in a uniform magnetic field of magnitude 54.6 mT. The rotation of the dipole due to the magnetic force on it is unimpeded. When the dipole rotates through the orientation where its dipole moment is aligned with the magnetic field, its kinetic energy is 0.507 mJ. (a) What is the initial angle between the dipole moment and the magnetic field? (b) What is the angle...
a bar magnet of magnetic moment 6 J/T is aligned at 60 degree
with a uniform external magnetic field of 0.44 T. Calculate (a) the
work done in turning the magnet to align its magnetic moment (1)
normal to the magnetic fiel
A bar magnet of magnetic moment 6 J/T is aligned at 60° with a uniform external magnetic field of 0-44 T. Calculate (a) the work done in turning the magnet to align its magnetic moment (i) normal to...
A permanent magnet has a magnetic dipole moment of 0.120 A · m2. The magnet is in the presence of an external uniform magnetic field (provided by current-carrying coils) with a magnitude of 0.0800 T, which makes an angle of 18.0° with the orientation of the permanent magnet. (a) What is the magnitude of the torque (in N · m) on the permanent magnet? -------------- N . m (b) What is the potential energy (in J) of the system consisting...
A permanent magnet has a magnetic dipole moment of 0.150 A · m2. The magnet is in the presence of an external uniform magnetic field (provided by current-carrying coils) with a magnitude of 0.0800 T, which makes an angle of 19.0° with the orientation of the permanent magnet. a) What is the magnitude of the torque (in N · m) on the permanent magnet? b) What is the potential energy (in J) of the system consisting of the permanent magnet...
Chapter 28, Problem 064 GO The figure gives the potential energy U of a magnetic dipole in an external magnetic field , as a function of angle φ between the directions of B and the dipole moment. The vertical axis scale is set by Us 2.1 x 10-4 J. The dipole can be rotated about an axle with negligible friction so as to change φ. Counterclockwise rotation from φ = 0 yields positive values of φ, and clockwise rotations yield...
A dipole of moment 0.50 e·nm is placed in a uniform electric field with a magnitude of 6.0 x 104 N/c. what is the magnitude of the torque on the dipole for each of the following situations? (a) the dipole is aligned with the electric field N m (b) the dipole is transverse to (perpendicular to) the electric field N m (c) the dipole makes an angle of 27° with the direction of the electric field N m (d) Defining...
A dipole of moment 0.50 e . nm is placed in a uniform electric field with a magnitude of 1.2 x 105 N/C. what is the magnitude of the torque on the dipole for each of the following situations? (a) the dipole is aligned with the electric field (b) the dipole is transverse to (perpendicular to) the electric feld (c) the dipole makes an angle of 29.5o with the direction of the electric field 664 N·m (d) Defining the potential...
A dipole of moment 0.50 e nm is placed in a uniform electric field with a magnitude of 1.4 x 105 N/C. What is the magnitude of the torque on the dipole for each of the following situations? (a) the dipole is aligned with the electric field N m (b) the dipole is transverse to (perpendicular to) the electric field N-m (c) the dipole makes an angle of 28.5° with the direction of the electric field N m (d) Defining...
A dipole of moment 0.50 e . nm is placed in a uniform electric field with a magnitude of 1.2 x 105 N/C. what is the magnitude of the torque on the dipole for each of the following situations? (a) the dipale is aligned with the electric field (b) the dipole is transverse to (perpendicular to) the electric field N m (c) the dipole makes an angle of 31.5 with the direction of the electric field N m (d) Defining...
A slender, 340- g bar magnet 15.0 cm long has a magnetic moment of 5.90 A m2. It is held at an angle of 45 o to the direction of a uniform magnetic field. When released, it begins to rotate about its center with an initial angular acceleration of 5.89×103 rad/s2. What is the magnitude of the magnetic field?