Two long thin parallel wires 13.0 cm apart carry 25-A currents
in the same direction.
Part A
Determine the magnitude of the magnetic field vector at a point
10.0 cm from one wire and 6.0 cm from the other (Figure 1) .
Express your answer using two significant figures.
B=?
Part B
Determine the direction of the magnetic field vector at that
point.
Express your answer using two significant figures.
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...
Two long parallel wires 20 cm apart carry currents of 5.0 A and
8.0 A in opposite directions. At what point is the net magnetic
field due to the two of them zero?
12 cm from th3 8-A wire
53 cm from the 5-A wire
33 cm from the 8-A wire
There is no point where the net magnetic field is zero.
33 cm from the 5-A wire
Chapter 29, Problem 009 Two long straight wires are parallel and
8.6 cm apart. They are to carry equal currents such that the
magnetic field at a point halfway between them has a magnitude 350
µT. (a) Should the currents be in the same or opposite directions?
(b) How much current is needed?
1. Two parallel wires with a length of 1.4 m each are placed
0.06 m apart. One wire carries a current of 18.5 A and another wire
carries a current of 31.9 A. Find the absolute value of the
magnetic force acting on each wire.
2.What is a magnetic force acting on a charged particle of
charge 6.4 x 10-6 C moving with the velocity of
4.8x105 m/s perpendicularly to the magnetic field of 6
T?
3.What is a magnetic...
Consider two long and parallel wires, 40.0 cm apart, carrying
27.0-A and 72.0-AA currents.
A-)Find all locations where the net magnetic field due to the
two wires is zero if these currents are in the same direction.
Assume that the positive x axis is directed from the 72.0-AA
wire to the 27.0-A wire perpendicular to the wires, with the origin
on the 72.0-A wire.
B-)
Find all locations where the net magnetic field of the two wires
is zero if...
Three long straight parallel wires are each carrying a steady
current I in the same direction. They are equidistant from each
other with separation d. What force per unit length does one wire
experience due to the other two?
Two long parallel wires each carry 2.8 A in the same direction,
with their centers 1.5 cm apart. Part B:Find the magnitude of the
magnetic field at a point in the same plane as the wires, 1.5 cm
from one wire and 3.0 cm from the other. Part C: Find the magnitude
of the force of interaction (per length) between the wires
1) Two wires each of length I with current I are placed parallel
to each other separated by a distance d. What physical quantities
can you determine using this information? How will the values of
these quantities change if one of the currents is reversed? If one
of the currents is doubled? Include a diagram to explain your
reasoning.
2) An electric motor has a square armature with 500 turns. Each
side of the coil is 12 cm long and...
Two
parallel wires, 5.8 mm apart, carry currents of 100 A and 140 A
respectively, in opposite directions. The force per unit length in
N/m of one wire on the other is: