Question

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 zero.

b.) If these currents are in the same direction, find all locations where the net magnetic field of the two wires is zero.

c.) If these currents are in the opposite direction, find all locations where the net magnetic field of the two wires is maximum.

Answer #1

Consider two long and parallel current carrying wires that are a
distance 7.00 m away from each other, and carrying 73.0 mA and 40.0
mA currents. Assume that the origin of the coordinate system is on
the 40.0 mA wire and its positive x axis is directed towards the
73.0 mA wire that is perpendicular to the wires.
Part C If these currents are in the opposite direction, find all
locations where the net magnetic field of the two wires...

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 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...

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...

The magnetic field 36.0 cm away from a long, straight wire
carrying current 3.00 A is 1670 µT.
(a) At what distance is it 167 µT?
360 cm
(b) At one instant, the two conductors in a long household
extension cord carry equal 3.00-A currents in opposite directions.
The two wires are 3.00 mm apart. Find the magnetic field 36.0 cm
away from the middle of the straight cord, in the plane of the two
wires.
nT
(c) At what...

A long wire carrying a 4.0 A current perpendicular to the
xy-plane intersects the x-axis at x=−2.2cm. A second, parallel wire
carrying a 2.8 A current intersects the x-axis at x=+2.2cm
A) At what point on the x-axis is the magnetic field
zero if the two currents are in the same direction?
B) At what point on the x-axis is the magnetic field
zero if the two currents are in opposite directions?

A long wire carrying a 5.0 A current perpendicular to the
xy-plane intersects the x-axis at
x=−2.0cm . A second, parallel wire carrying a 3.5 A
current intersects the x-axis at x=+2.0cm
At what point on the x-axis is the magnetic field zero
if the two currents are in the same direction?
At what point on the x-axis is the magnetic field zero
if the two currents are in opposite directions?

A long wire carrying a 5.0 A current perpendicular to the
xy-plane intersects the x-axis at x=−2.0cm. A second, parallel wire
carrying a 2.0 A current intersects the x-axis at x=+2.0cm.
A) At what point on the x-axis is the magnetic field zero if the
two currents are in the same direction?
B) At what point on the x-axis is the magnetic field zero if the
two currents are in opposite directions?

A long wire carrying a 4.5 A current perpendicular to the
xy-plane intersects the x-axis at x=−2.0cm. A second, parallel wire
carrying a 3.0 A current intersects the x-axis at x=+2.0cm.
At what point on the x-axis is the magnetic field zero
if the two currents are in the same direction?
At what point on the x-axis is the magnetic field zero
if the two currents are in opposite directions?

Two parallel long, straight wires are separated by 3.00 cm. One
of them carries a current of 2.00 A. The magnetic field at a point
halfway between the two wires has magnitude 5.00×10^(−5)T. What is
the current in the second wire if its direction is the same as in
the first wire?
What is the current in the second wire if its direction is
opposite to that in the first wire?
Express your answer with the appropriate units.

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