Question
In: Physics
A long wire with a radius of 0.400 cm carries a current. The potential difference across...
A long wire with a radius of 0.400 cm carries a current. The potential difference across a 3.70 m long section of this wire is 13.0 V, and the wire carries a current of 0.450 A.
What is the resistivity (in Ω · m) of the wire?
Solutions
genius_generous answered 2 years agoRelated Solutions
A potential difference of 53 mV is developed across the ends of a 12.0-cm-long wire as...
A potential difference of 53 mV is developed across the ends of
a 12.0-cm-long wire as it moves through a 0.27 T uniform magnetic
field at a speed of 4.0 m/s. The magnetic field is perpendicular to
the axis of the wire.
What is the angle between the magnetic field and the wire's
velocity?
A wire 80 cm long carries 11 A of current. From this wire, a loop of...
A wire 80 cm long carries 11 A of current. From this
wire, a loop of 90-turns is made and placed in a magnetic field of
6.50 Tat an angle of 35˚. In first experiment, a square loop is
formed and in the second experiment, a circular loop is formed with
same number of turns. Calculate the torque in each loop. Which loop
produces more torque-the circular loop or the square loop? What is
the reason for this change of...
A single loop of wire of radius 3 cm carries a current of 2.7 A. What...
A single loop of wire of radius 3 cm carries a current of 2.7 A.
What is the magnitude of B on the axis of the loop at the
following positions?
1)
the center of the loop
T
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2)
1 cm from the center
T
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submission are allowed....
A circular loop of wire having a radius of 6.0 cm carries a current of 0.14...
A circular loop of wire having a radius of
6.0 cm carries a current
of 0.14 A. A unit vector
parallel to the dipole moment of the loop is given by 0.40i -0.92j.
If the loop is located in a magnetic field given by B =
(0.40 T)i + (0.35
T)k,
A) find the magnitude of the magnetic dipole
moment of the loop.
B) Find the i component
of the torque on the loop.
C) Find the j component
of...
An 8.00-cm-long piece of wire is formed into a square, and carries a clockwise current of...
An 8.00-cm-long piece of wire is formed into a square, and
carries a clockwise current of 0.150 A. The loop is placed inside a
solenoid, and the plane of the loop is perpendicular to the
solenoid’s magnetic field. The solenoid carries a counterclockwise
current of 17.0 A, and has 25 turns per centimeter. What is the
force on each side of the loop?
Please explain
Two long straight parallel wires are 11 cm apart. Wire A carries 2.0-A current. Wire B's...
Two long straight parallel wires are 11 cm apart. Wire A carries
2.0-A current. Wire B's current is 5.0 A in the same direction.
Determine the magnetic field magnitude due to wire A at the
position of wire B.
Determine the magnetic field due to wire B at the position of
wire A
Are these two magnetic fields equal and opposite?
Determine the force per unit length on wire A due to wire B.
Determine the force per unit length...
Consider a cylindrical wire of radius R (indefinitely long) that carries a total steady current I...
Consider a cylindrical wire of radius R (indefinitely long) that
carries a total steady current I such that there is a constant
current density j across the profile of the wire (for the first
part of this task, consider just a current density in vacuum)
a) in order to calculate the magnetic induction it is suitable
to work in cylindrical coordinates. Considering Boundary conditions
at ρ→∞, the magnetic induction ca be written as B=B_ρ (ρ,φ,z) e_ ρ
+ B_ φ(ρ,φ,z)e_...
Consider a cylindrical wire of radius R (indefinitely long) that carries a total steady current I...
Consider a cylindrical wire of radius R (indefinitely long) that
carries a total steady current I such that there is a constant
current density j across the profile of the wire (for the first
part of this task, consider just a current density in vacuum)
a) in order to calculate the magnetic induction it is suitable
to work in cylindrical coordinates. Considering Boundary conditions
at ρ→∞, the magnetic induction ca be written as B=B_ρ (ρ,φ,z) e_ ρ
+ B_ φ(ρ,φ,z)e_...
A 2.0 mm -diameter, 50 cm -long copper wire carries a 4.5 A current. What is...
A 2.0 mm -diameter, 50 cm -long copper wire carries a 4.5 A
current. What is the potential difference between the ends of the
wire?
A long horizontal wire carries 26.0 A of current due north. The Earth's field 21.0 cm...
A long horizontal wire carries 26.0 A of current due north. The
Earth's field 21.0 cm due west of the wire points north but
downward, 44 ∘ below the horizontal, and has magnitude of
5.0×10−5T
What is the magnitude of the net magnetic field 21.0 cm due west
of the wire?
What is the angle below the horizontal of the net magnetic field
21.0 cm due west of the wire?
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