The figure represents a snapshot of the velocity vectors of four electrons near a wire carrying current i.
1. The figure represents a snapshot of the velocity vectors of four electrons near a wire carrying current i. The four velocities have the same magnitude; velocity v_2 directed into the page. Electrons 1 and 2 are at the same distance from the wire, as are electrons 3 and 4. Rank the electron according to the magnitudes of the magnetic forces on them due to current i, greatest first.
2. The figure shows cross sections of two long straight wires; the left-hand wire carries current i_1 directly out of the page. The net magnetic field due to the two currents is to be zero at point P.
(a) Should the direction of current i_2 in the right-hand wire be directly into or out of the page?
(b) Should i_2 be greater than, less than, or equal to i_1?
Homework Answers
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The figure represents a snapshot of the velocity vectors of four electrons near a wire carrying current i.
Figure (a) shows, in cross section, two long, parallel wires carrying current and separated by distance...
Figure (a) shows, in cross section, two long, parallel wires carrying current and separated by distance L. The ratio i_1/i_2 of their currents is 5.10; the directions of the currents are not indicated. Figure (b) shows the y component B_y of their net magnetic field along the x axis to the right of wire 2. The vertical scale is set by B_ys = 5.8 nT, and the horizontal scale is set by x_s = 20.6 cm. At what value x...
1. Shown are four current carrying outer wires have currents either com four current carrying wires...
1. Shown are four current carrying outer wires have currents either com four current carrying wires each with the same magnitude of the current. The lave currents either coming out of the page or going into the page as shown 3 a square. What is the direction of the net magnetic field on the upper left wire? b. d. e. No net field Shown are four current carrying wires of length 1.50 m going into and out of the page,...
In the figure below, five long parallel wires in an xy plane are separated by distance...
In the figure below, five long parallel wires in an xy plane are separated by distance d = 30.0 cm. The currents into the page are i_1 = 1.90 A, i_3 = 0.500 A, i_4 = 5.00 A, and i_5 = 1.90 A; the current out of the page is i_2 = 3.80 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires?
The circle represents a conducting loop of wire near an infinite horizontal current I. EXPLAIN if...
The circle represents a conducting loop of wire near an infinite
horizontal current I.
EXPLAIN if the magnetic flux through the loop of wire increases,
decreases, or stays the same.
DRAW the magnetic field due to the current.
a. The loop is moved directly out of the page
b. Loop is rotated through an angle less than 90 degrees about
horizontal. Upper half of loop rotates out of the page and lower
half of loop rotates into the page.
()
10. The figure shows six sets of five equally spaced, long parallel wires carrying electric currents...
10. The figure shows six sets of five equally spaced, long parallel wires carrying electric currents of equal magnitudes into or out of the page. Rank the magnitude of the magnetic forces acting on the central wire in each scenario, due to the currents in the other four wires, from greatest to smallest. Support your ranking with the appropriate calculations/justifications. O O O A O O O o B O O С O ♡ ♡ O D E O ♡...
The figure shows three long, parallel, current-carrying wires perpendicular to the page. In the picture, the...
The figure shows three long, parallel, current-carrying wires
perpendicular to the page. In the picture, the current directions
are indicated for I1 and I3. The three currents have equal
magnitudes. The direction of the current I2 is INTO the page.
Determine the direction of the net force acting on the wire I3 due
to the presence of the other two wires. Group of answer choices
left
right
Up
down
The figure shows three long, parallel, current-carrying wires perpendicular to the...
4) A wire is carrying a current of I and it is placed in a magnetic...
4) A wire is carrying a current of I and it is placed in a magnetic field of B, the force on the wire is zero if: A) The length of wire is infinite. B) If there is a non-zero angle between magnetic field B and current I. C) The direction of the current and magnetic field are perpendicular. D) The current and magnetic field are parallel. E) There is a 90 degree angle between current direction and magnetic field...
4) A wire is carrying a current of I and it is placed in a magnetic...
4) A wire is carrying a current of I and it is placed in a magnetic field of B, the force on the wire is zero if: A) The length of wire is infinite. B) If there is a non-zero angle between magnetic field B and current I. C) The direction of the current and magnetic field are perpendicular. D) The current and magnetic field are parallel. E) There is a 90 degree angle between current direction and magnetic field...
In the figure, four long straight wires are perpendicular to the page, and their cross sections...
In the figure, four long straight wires are perpendicular to the
page, and their cross sections form a square of edge length
a = 10.0 cm. Each wire carries 7.00 A, and the currents
are out of the page in wires 1 and 4 and into the page in wires 2
and 3. In unit-vector notation, what is the net magnetic force per
meter of wire length on wire 4?
ーーーー。
In the figure, four long straight wires are perpendicular to the page, and their cross sections...
In the figure, four long straight wires are perpendicular to the
page, and their cross sections form a square of edge length a =
15.5 cm. Each wire carries 4.00 A, and the currents are out of the
page in wires 1 and 4 and into the page in wires 2 and 3. In
unit-vector notation, what is the net magnetic force per meter of
wire length on wire 4?
Figure (a) shows, in cross section, two long, parallel wires carrying current and separated by distance L. The ratio i_1/i_2 of their currents is 5.10; the directions of the currents are not indicated. Figure (b) shows the y component B_y of their net magnetic field along the x axis to the right of wire 2. The vertical scale is set by B_ys = 5.8 nT, and the horizontal scale is set by x_s = 20.6 cm. At what value x...
1. Shown are four current carrying outer wires have currents either com four current carrying wires each with the same magnitude of the current. The lave currents either coming out of the page or going into the page as shown 3 a square. What is the direction of the net magnetic field on the upper left wire? b. d. e. No net field Shown are four current carrying wires of length 1.50 m going into and out of the page,...
In the figure below, five long parallel wires in an xy plane are separated by distance d = 30.0 cm. The currents into the page are i_1 = 1.90 A, i_3 = 0.500 A, i_4 = 5.00 A, and i_5 = 1.90 A; the current out of the page is i_2 = 3.80 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires?
The circle represents a conducting loop of wire near an infinite
horizontal current I.
EXPLAIN if the magnetic flux through the loop of wire increases,
decreases, or stays the same.
DRAW the magnetic field due to the current.
a. The loop is moved directly out of the page
b. Loop is rotated through an angle less than 90 degrees about
horizontal. Upper half of loop rotates out of the page and lower
half of loop rotates into the page.
()
10. The figure shows six sets of five equally spaced, long parallel wires carrying electric currents of equal magnitudes into or out of the page. Rank the magnitude of the magnetic forces acting on the central wire in each scenario, due to the currents in the other four wires, from greatest to smallest. Support your ranking with the appropriate calculations/justifications. O O O A O O O o B O O С O ♡ ♡ O D E O ♡...
The figure shows three long, parallel, current-carrying wires
perpendicular to the page. In the picture, the current directions
are indicated for I1 and I3. The three currents have equal
magnitudes. The direction of the current I2 is INTO the page.
Determine the direction of the net force acting on the wire I3 due
to the presence of the other two wires. Group of answer choices
left
right
Up
down
The figure shows three long, parallel, current-carrying wires perpendicular to the...
4) A wire is carrying a current of I and it is placed in a magnetic field of B, the force on the wire is zero if: A) The length of wire is infinite. B) If there is a non-zero angle between magnetic field B and current I. C) The direction of the current and magnetic field are perpendicular. D) The current and magnetic field are parallel. E) There is a 90 degree angle between current direction and magnetic field...
4) A wire is carrying a current of I and it is placed in a magnetic field of B, the force on the wire is zero if: A) The length of wire is infinite. B) If there is a non-zero angle between magnetic field B and current I. C) The direction of the current and magnetic field are perpendicular. D) The current and magnetic field are parallel. E) There is a 90 degree angle between current direction and magnetic field...
In the figure, four long straight wires are perpendicular to the
page, and their cross sections form a square of edge length
a = 10.0 cm. Each wire carries 7.00 A, and the currents
are out of the page in wires 1 and 4 and into the page in wires 2
and 3. In unit-vector notation, what is the net magnetic force per
meter of wire length on wire 4?
ーーーー。
In the figure, four long straight wires are perpendicular to the
page, and their cross sections form a square of edge length a =
15.5 cm. Each wire carries 4.00 A, and the currents are out of the
page in wires 1 and 4 and into the page in wires 2 and 3. In
unit-vector notation, what is the net magnetic force per meter of
wire length on wire 4?
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