Question
A 3.3-mm copper wire carries a 16-A current (uniform across its cross section). Determine the magnetic...
A 3.3-mm copper wire carries a 16-A current (uniform across its cross section). Determine the magnetic field
a) at the surface of the wire,
(b) inside the wire, 0.66 mm below the surface,
mT
(c) and outside the wire 3.3 mm from the surface.
mT
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
A 2.3 mm -diameter copper wire carries a 38 A current (uniform across its cross section)....
A 2.3 mm -diameter copper wire carries a 38 A current (uniform
across its cross section).
a) Determine the magnetic field at the surface of the wire.
b) Determine the magnetic field inside the wire, 0.50 mm below
the surface.
c)Determine the magnetic field outside the wire 2.5 mm from the
surface.
A cylindrical wire of radius R=2.3cm carries a current of I=5A uniform distributed across its cross-section....
A cylindrical wire of radius R=2.3cm carries a current of I=5A
uniform distributed across its cross-section. Find an expression
(i.e. a formula) for the magnitude of the magnetic field created by
this current as a function of radius both inside and outside the
wire. Use this expression to determine the magnitude of the
magnetic field at the surface of the wire (i.e. at r=R). Denote
this magnitude by Bo. Is there a radius bigger than R where the
magnitude of...
A length of copper wire carries a current of 14 A, uniformly distributed through its cross...
A length of copper wire carries a current of 14 A, uniformly
distributed through its cross section. Calculate the energy density
of (a) the magnetic field and (b)
the electric field at the surface of the wire. The wire diameter is
2.6 mm, and its resistance per unit length is 2.7 Ω/km.
A long copper wire carries a 6.0-A current in a uniform magnetic field that is applied...
A long copper wire carries a 6.0-A current in a uniform magnetic
field that is applied perpendicular to the 3.0-m segment of the
wire, the magnetic force on the segment is 0.36 N. (a) What is the
magnitude of the magnetic field? (b) If the segment of wire has a
mass of 0.050 kg, and is kept in the same magnetic field as part
(a). What minimum current in the wire is needed in order for the
magnetic force to...
A long, hollow, cylindrical conductor (inner radius 8.0 mm, outer radius 16.0 mm) carries a current...
A long, hollow, cylindrical conductor (inner radius 8.0 mm,
outer radius 16.0 mm) carries a current of 16 A distributed
uniformly across its cross section. A long thin wire that is
coaxial with the cylinder carries a current of 16 A in the opposite
direction. What is the magnitude of the magnetic field at the
following distances from the central axis of the wire and cylinder?
(a) 4.0 mm. _______T (b) 12.0 mm. _______ T (c) 20.0 mm. _______
T
A copper wire has a square cross section 3.0 mm on a side. The wire is...
A copper wire has a square cross section 3.0 mm on a side. The
wire is 3.8 m long and carries a current of 3.5 A. The density of
free electrons is 8.5×1028m−3.
A) Find the magnitude of the electric field in the
wire.
Express your answer in volts per meter.
B) How much time is required for an electron to travel
the length of the wire?
Express your answer in seconds
long straight wire carries 122 amps of current due wesr through a uniform external magnetic field...
long straight wire carries 122 amps of current due wesr
through a uniform external magnetic field of strength 3.0 mT
directed 30 degrees west of north. a) How hard does the external
field push one meter of the wire, and in what direction? b) What
are the components of the magnetic field at a location 5.0 mm
directly beneath the wire? (Don’t forget about the external
field.)
the
direction of the wire is due west
A long cylindrical wire (radius = 2.0 cm) carries a current of 49 A that is...
A long cylindrical wire (radius = 2.0 cm) carries a current of
49 A that is uniformly distributed over the cross-section of the
wire. What is the magnitude of the magnetic field at a point which
is 1.5 cm from the axis of the wire?
0.18 mT
0.44 mT
0.37 mT
0.49 mT
1. A straight current-carrying wire in a uniform magnetic field experiences a magnetic force a only...
1.
A straight current-carrying wire in a uniform magnetic field
experiences a magnetic force
a
only if the wire is moving.
b
only if the wire is parallel to the field.
c
parallel to the wire.
d
perpendicular to the wire.
2.
Magnetic field strength is greater
a
where the field lines are closer together.
b
where the field lines are further apart.
c
where the field lines are evenly spaced.
d
where the field lines cross.
3.
A moving,...
A wire carries a current from west to east. Assume that at this location the magnetic...
A wire carries a current from west to east. Assume that at this
location the magnetic field of Earth is horizontal and directed
from south to north and that it has a magnitude of 4.92 ✕
10−5 T. What current would make the magnetic force equal
in magnitude to the gravitational force? The wire is made of copper
and has a cross-sectional area of 2.45 ✕ 10−6
m2. The density of copper is 8.92 ✕ 103
kg/m3. (Give the magnitude...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 2 minutes ago
asked 18 minutes ago
asked 29 minutes ago
asked 41 minutes ago
asked 42 minutes ago
asked 45 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago