Question

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 opposite to that in the first wire?

Express your answer with the appropriate units.

Answer #1

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.

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?

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 wires are aligned parallel to each other and separated
by 20.0 cm. One wire carries a current, I1 and
the other carries a current I2 in the opposite
direction, where for the current magnitudes, I2
= 3 I1. The magnitude of the magnetic field at
a point midway between the wires is4.0 μT. Determine
I2.

Two long wires are aligned parallel to each other and separated
by 20.0 cm. One wire carries a current, I1and
the other carries a current I2 in the opposite
direction, where for the current magnitudes, I2
= 3 I1. The magnitude of the magnetic field at
a point midway between the wires is 4.0 μT. Determine
I2.

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.

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
straight wires are separated by a=1.90m. The upper wire has a
current I1= 2.10A and the lower carries I2=5.00A, both flowing into
the page.
a) Halfway between the wires at point A, what is the magnetic
field?
magnitude? uT
direction? in degrees counterclockwise from the +x axis

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...

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...

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