Question

A long straight wire X carries 3 A current horizontally to the right. Another long straight wire Y, which is 20 cm below wire X, carries 2 A current also horizontally to the right. (a) Calculate the magnitude of the magnetic field midway between the two wires. (b) Calculate the magnitude of the magnetic field at a point 10 cm below wire Y.

Answer #1

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Two long, straight, parallel wires carry current. The first wire
carries I1 = 3 A to the right and the second carries I2 = 5 A to
the left. The force per length each wire exerts on the other is of
magnitude 5 × 10−6 N/m.
(a) Sketch the situation. On your sketch indicate the directions
of the magnetic fields produced by each wire and the direction of
the force exerted on each wire. Determine the distance between the
wires....

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...

Two long straight wires carry currents perpendicular to the
xy plane. One carries a current of 45 A and passes through
the point x = 5.5 cm on the x axis. The second
wire has a current of 80 A and passes through the point y
= 4.3 cm on the y axis. What is the magnitude of the
resulting magnetic field at the origin?

A long, straight wire perpendicular to this page carries a
current of 5.15 A directed into the page. Find the magnetic field
at the following points, all 10.5 cm from the wire.
10.5 cm to the left, directly below, to the right, AND directly
above the wire. (magnitude and direction)

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.

A long straight wire carries 2.9 A along the +x-axis. Find the
direction and magnitude of the magnetic field at a point 11 cm away
on the +y-axis then find the direction of the magnetic field at a
point 11 cm away on the -y-axis.
Express your answer to two significant figures and include the
appropriate units.

Two parallel long, straight wires are separated by 3.50 cm . One
of them carries a current of 2.00 A. The magnetic field at a point
halfway between the two wires has magnitude 6.00×10−5T .
a)What is the current in the second wire if its direction is the
same as in the first wire?
b)What is the current in the second wire if its direction is
opposite to that in the first wire?

A long straight wire carries a current of 5.00 A along the
x axis in the positive x direction. In addition
to the magnetic field produced by the current carrying wire, there
is a uniform magnetic field
B0 = (2.90 ✕ 10−6 T
k).
Determine the total magnetic field (in VECTOR NOTATION) at the
following points in the yz plane.
(a) Point 1: y = 0.200 m, z = 0
(b) Point 2: y = 0, z = 0.200 m...

Two parallel long, straight wires are separated by 3.00 cmcm.
One of them carries a current of 2.00 AA. The magnetic field at a
point halfway between the two wires has magnitude
5.00×10−5T5.00×10−5T. 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
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Express your answer with the appropriate units.

Wire A carries a current of 10 A, directed upward. Wire B is
situated to the right of wire A, and carries a current of 10 A,
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A.
In more than one of the above regions
B.
To the left of both wires
C.
There is no point with a net magnetic field of zero in any of
the above regions
D.
To the...

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