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8) A non-uniform magnetic field exerts a net force on a magnetic dipole. A strong magnet...
A strong magnet is placed under a horizontal conducting ring of radius r that carries current...
A strong magnet is placed under a horizontal conducting ring of radius r that carries current I as shown in the figure below. The magnetic field B makes an angle θ with the vertical at the ring's location. (a) what is the magnitude of the resultant magnetic force on the ring? (Use any variable or symbol stated above along with the following as necessary: π) (b) What is the direction of the resultant magnetic force on the ring? to the...
A strong magnet is placed under a horizontal conducting ring of radius R and mass m....
A strong magnet is placed under a horizontal conducting ring of radius R and mass m. At the position shown, the magnetic field on the ring has a magnitude B and makes an angle theta with the vertical. What is the current that must flow through the ring so that it floats in place? You should be able to produce the free body diagram for the ring.
A permanent magnet has a magnetic dipole moment of 0.150 A · m2. The magnet is...
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...
A permanent magnet has a magnetic dipole moment of 0.120 A · m2. The magnet is...
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...
The magnitude of the force on a magnetic dipole μ aligned with a non uniform magnetic...
The magnitude of the force on a magnetic dipole μ aligned with a non uniform magnetic field in the positive x-direction is Fx- Suppose two flat loops of wire each have radius R and carry a current dx (a) The loops are parallel to each other and share the same axis. They are separated by a variable distance x » R. Show that the magnetic force between them varies as (Submit a file with a maximum size of 1 MB.)...
1. Magnetic field (B) exerts a torque on a magnetic moment (m) (such as a magnet...
1. Magnetic field (B) exerts a torque on a magnetic moment (m)
(such as a magnet bar) to align the magnetic moment along the B-
field direction. In genreal, the vector torque is defined as:
t=mxB, with a magnitude of
, where
is the angle between m and B as shown in figure 1. However, in Eq.
(1) the magnitude of t is defined as
. What does the minus sign mean?
T = ITI = mBsinΘ
A nonuniform magnetic field exerts a net force on a current loop ofradius R. The figure...
A nonuniform magnetic field exerts a net force on a current loop
ofradius R. The figure shows a magnetic field that is diverging
fromthe end of the bar magnet. The magnetic field at the position
ofthe current loop makes an angle θ with respect to
thevertical.
a) Find an expression for the net magnetic force on
thecurrent.
b)Calculate the force if R=2.0cm, I =0.50A, B=200mT, and
θ=20degrees
4. A circular conducting loop of radius r carrying current I as shown in Fig. 4...
4. A circular conducting loop of radius r carrying current I as shown in Fig. 4 is placed above the North pole of a cylindrical bar magnet. Everywhere on the loop, the magnetic field of the magnet has the same magnitude B and makes angle a with the vertical axis in a diverging fashion (as sketched). What is the total resultant force F produced on the loop by the magnet? Is it zero or not and why? If it is...
A bar magnet is placed at a fixed distance below and along the axis of a...
A bar magnet is placed at a fixed distance below and along the axis of a ring carrying 3 Amps, as shown in the figure below. At the ring, the magnetic field runs at an angle ? to the vertical. The ring has a radius of 4 meters and ? radians. Assume that l Bl 5 Tesla in the region of interest Find the magnitude of the force on the ring 4
placed in a uniform magnetic field; the wire makes an angle of Owith the (9) A...
placed in a uniform magnetic field; the wire makes an angle of Owith the (9) A straight wire is magnetic field. The wire carries a current i, and the magnetic field strength is T. Calculate the force on a segment of length of this wire. Show the direction of the force in a sketch, which also indicates the direction of the field and the magnetic field. [20 pts]
A strong magnet is placed under a horizontal conducting ring of radius r that carries current I as shown in the figure below. The magnetic field B makes an angle θ with the vertical at the ring's location. (a) what is the magnitude of the resultant magnetic force on the ring? (Use any variable or symbol stated above along with the following as necessary: π) (b) What is the direction of the resultant magnetic force on the ring? to the...
A strong magnet is placed under a horizontal conducting ring of radius R and mass m. At the position shown, the magnetic field on the ring has a magnitude B and makes an angle theta with the vertical. What is the current that must flow through the ring so that it floats in place? You should be able to produce the free body diagram for the ring.
The magnitude of the force on a magnetic dipole μ aligned with a non uniform magnetic field in the positive x-direction is Fx- Suppose two flat loops of wire each have radius R and carry a current dx (a) The loops are parallel to each other and share the same axis. They are separated by a variable distance x » R. Show that the magnetic force between them varies as (Submit a file with a maximum size of 1 MB.)...
1. Magnetic field (B) exerts a torque on a magnetic moment (m)
(such as a magnet bar) to align the magnetic moment along the B-
field direction. In genreal, the vector torque is defined as:
t=mxB, with a magnitude of
, where
is the angle between m and B as shown in figure 1. However, in Eq.
(1) the magnitude of t is defined as
. What does the minus sign mean?
T = ITI = mBsinΘ
A nonuniform magnetic field exerts a net force on a current loop
ofradius R. The figure shows a magnetic field that is diverging
fromthe end of the bar magnet. The magnetic field at the position
ofthe current loop makes an angle θ with respect to
thevertical.
a) Find an expression for the net magnetic force on
thecurrent.
b)Calculate the force if R=2.0cm, I =0.50A, B=200mT, and
θ=20degrees
4. A circular conducting loop of radius r carrying current I as shown in Fig. 4 is placed above the North pole of a cylindrical bar magnet. Everywhere on the loop, the magnetic field of the magnet has the same magnitude B and makes angle a with the vertical axis in a diverging fashion (as sketched). What is the total resultant force F produced on the loop by the magnet? Is it zero or not and why? If it is...
A bar magnet is placed at a fixed distance below and along the axis of a ring carrying 3 Amps, as shown in the figure below. At the ring, the magnetic field runs at an angle ? to the vertical. The ring has a radius of 4 meters and ? radians. Assume that l Bl 5 Tesla in the region of interest Find the magnitude of the force on the ring 4
placed in a uniform magnetic field; the wire makes an angle of Owith the (9) A straight wire is magnetic field. The wire carries a current i, and the magnetic field strength is T. Calculate the force on a segment of length of this wire. Show the direction of the force in a sketch, which also indicates the direction of the field and the magnetic field. [20 pts]
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