Question

Two long straight wires are parallel and carry current in opposite directions. The currents in the wires are 8.0 A for the left wire upward and 12 A for the right wire downward. The wires are separated by 0.40 cm.

A. The magnetic field due the left wire in mT (milli-tesla) at a point midway between the wires is:

B. The direction of the magnetic field of the left wire carrying 8.0 A at a point midway between the wires is

C The magnetic field due to the right wire carrying 12 A in mT (milli-tesla) at a point midway between the wires is:

D The direction of the magnetic field of the right wire carrying 12 A at a point midway between the wires is

E The NET magnetic field due to both the 8.0 A and 12 A wires in mT (milli-tesla) at a point midway between the wires is:

Answer #1

The two wires shown in the figure carry currents of I = 4.08 A
in opposite directions and are separated by a distance of
d0 = 8.08 cm. Calculate the net magnetic field at a
point midway between the wires. Use the direction out of the page
as the positive direction and into the page as the negative
direction in your answer.Calculate the net magnetic field at point
P1 - that is 9.87 cm to the right of the wire...

The two wires shown in the figure carry currents of I = 4.08 A
in opposite directions and are separated by a distance of
d0 = 8.08 cm. Calculate the net magnetic field at a
point midway between the wires. Use the direction out of the page
as the positive direction and into the page as the negative
direction in your answer.Calculate the net magnetic field at point
P1 - that is 9.87 cm to the right of the wire...

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...

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...

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 separated by 2.6 mm. Each wire has
a 32-AA current, but the currents are in opposite directions.
a. Determine the magnitude of the net magnetic field midway
between the wires.
b. Determine the magnitude of the net magnetic field at a point
1.3 mm to the side of one wire and 3.9 mm from the other wire. The
point is in the same plane as the wires.

Two long, parallel wires separated by 2.80 cm carry currents in
opposite directions. The current in one wire is 1.30 A, and the
current in the other is 3.35 A.
(a) Find the magnitude of the force per unit length that one
wire exerts on the other.
(b) Is the force attractive or repulsive?
attractiverepulsive

The two wires shown in the figure below are separated by d =
11.1 cm and carry currents of I = 4.65 A in opposite
directions.
(a) Find the magnitude and direction of the net magnetic field
at a point midway between the wires.
(b) Find the magnitude and direction of the net magnetic field
at point P1, 11.1 cm to the right of the wire on the right.
(c) Find the magnitude and direction of the net magnetic field...

Two
parallel, very long straight wires separated by 10cm are carrying
2.0A and 4.0A in opposite directions.Find:
a) The magnetic field at points midway between the
wires.
b) Where the magnetic field is zero.

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?

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