Question

Two parallel wires 20 cm apart carry currents of 5 A in the same direction. Find the magnetic field between the wires 10 cm from one of them and 10 cm from the other.

Answer #1

Two long parallel wires 10.0 cm apart carry currents of 3.0 A
and 2.9 A in the same direction. Is there any point between the two
wires where the magnetic field is zero?
a.
yes, 4.9 cm from the 3.0-A wire
b.
no.
c.
yes, 5.1 cm from the 2.9-A wire
d.
yes, midway between the wires
e.
yes, 5.1 cm from the 3.0-A wire

Two long straight wires are parallel and 8.4 cm apart. They are
to carry equal currents such that the magnetic field at a point
halfway between them has magnitude 240 µT. (a) Should the currents
be in the same or opposite directions? (b) How much current is
needed?

Two long parallel wires 45.6 cm apart are carrying currents of
13.0 A and 23.0 A in the same direction. What is the magnitude of
the magnetic field halfway between the wires?

Two long, parallel transmission lines, 42.0 cm apart, carry
24.0-A and 75.0-A currents.
A.) Find all locations where the net magnetic field of the two
wires is zero if these currents are in the same direction. Give
answer in cm. (Note: Assume that the positive x axis is
directed from the 75.0-A wire to the 24.0-A wire perpendicular to
the wires, with the origin on the 75.0-A wire)
B.) Find all locations where the net magnetic field of the two...

using right-hand rules clearly explain how two parallel wires
with currents in the same direction will have a force between
them.
b. if two 100 meter long wires carry the same current 5 cm apart
from one another, what current is needed to have a 1.0 N force
between them.

Two long parallel wires which are 0.03 m apart carry equal
currents of 2.5 A. a) Calculate the net magnetic field at a point
midway between the two wires if their currents flow in the same
direction. Give magnitude and direction of Bnet. b) Calculate the
net magnetic field at a point midway between the two wires if the
currents flow in opposite direction. Give magnitude and direction
of Bnet. c) Calculate the magnitude of the magnetic force per meter...

Two long parallel wire each carry 2.5 A in the same direction,
with their centers 1.5 cm apart.
A. Find the magnetic field halfway between the wires.
B. Find 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.
C. Find the force of interaction between the wires, and tell
whether it’s attractive or repulsive.

Consider two very long conducting parallel wires carry currents
in opposite directions such that one is triple of the other. The
distance between wires is 30 cm. The magnetic field at points on a
line between the wires, and at a distance of 5 cm from the wire
carrying the smaller current, is 2.5×10-5 T. a) Draw a diagram of
the situation. Assume the wires are placed in the x-direction. Draw
the direction of the magnetic field at points on...

As shown in the figure below, two long parallel wires (1 and 2)
carry currents of I1 = 3.32 A and I2 = 4.50 A in the direction
indicated. Two parallel wires point into the page. They are a
distance d apart from each other, with the left wire labeled I_1 at
the origin and the right wire labeled I_2 a distance d along the
positive x-axis. There is a point labeled P directly above wire I_1
a distance d...

Two long parallel wires are 4.0 cm apart. Each wire carries the
current 10 A in the same direction. Find the magnetic field halfway
between the wires.

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