Question

A) Determine the magnitude of the magnetic field midway between 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.

Answer #1

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...

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...

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 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, 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 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 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 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...

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...

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