Question

Consider two parallel wires placed a distance of 19.5 cm apart. The current in the first wire is 10.5A and the current in the second wire is 22.25A. If the currents are in opposite directions, find the magnitude of the combined magnetic field at the midpoint between the two wires. Calculate the answer in micro-tesla (µT) and rounded to three significant figures

Answer #1

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 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
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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...

Three long parallel wires are 3.8 cm from one another. (Looking
along them, they are at three corners of an equilateral triangle.)
The current in each wire is 6.80 A , but its direction in wire M is
opposite to that in wires N and P
Determine the magnitude of the magnetic field at the midpoint of
the line between wire M and wire N.
Express your answer using two significant figures.
Determine the angle of the magnetic field at...

Consider two long and parallel current carrying wires that are a
distance 3.00 m away from each other, and carrying 72.0 mA and 33.0
mA currents.
Assume that the origin of the coordinate system is on the 33.0
mA wire and its positive x axis is directed towards the 72.0 mA
wire that is perpendicular to the wires.
a.) If these currents are in the opposite direction, find all
locations where the net magnetic field of the two wires is...

Consider two long and parallel current carrying wires that are a
distance 5.00 mm away from each other, and carrying 77.0 mAmA and
35.0 mAmA currents.
Assume that the origin of the coordinate system is on the 35.0
mAmA wire and its positive xx axis is directed towards the 77.0
mAmA wire that is perpendicular to the wires.
a) If these currents are in the opposite direction, find all
locations where the net magnetic field of the two wires is...

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.

The magnetic field 35.0 cm away from a long, straight wire
carrying current 5.00 A is 2860 µT.
(a) At what distance is it 286 µT?
?? cm
(b) At one instant, the two conductors in a long household
extension cord carry equal 5.00-A currents in opposite directions.
The two wires are 3.00 mm apart. Find the magnetic field 35.0 cm
away from the middle of the straight cord, in the plane of the two
wires. How far is the...

a) Two long, parallel wires are separated by a distance 3.00 cm
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2.00×10−5 Nm−1 . If a current of 0.600 A is
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directions?
b) Two long, parallel wires are hanging by regularly spaced,
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two long straight wires 2.50 cm apart when one wire carries 4.40 A
and the other carries 12.6 A. Assume these currents are in the same
direction. B) Determine the magnitude of the magnetic field when
these currents are in opposite directions.

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