Suppose you have three long, parallel wires arranged so that in cross section they are at the corners of an equilateral triangle. Is there any way to arrange the currents so that all three wires attract each other? So that all three wires repel each other? Explain.

Q: Assume that a uniform magnetic field is directed into this page. If an electron is released with an…

A: Assume that a uniform magnetic field is directed into this page. If an electron is released with an…

Q: Two long, straight wires cross each other at right angles, andeach carries the same current as in…

A: Let all the points be equidistant from both the wires.As the current in both the wires is same, the…

Q: Three evenly spaced long parallel wires carry equal currents as shown. If F₁, F₂ and F3 are the net…

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Q: Two long straight current-carrying wires are lined up parallel to one another at a distance d.…

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Q: The wire carrying 440 A to the motor of a commuter train feels an attractive force per unit length…

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Q: Three particles (proton, electron, and neutron) start to move right, as shown in the figure.…

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Q: In a physics demonstration, two long parallel wires are separated by a distance of 2.55 cm. One wire…

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Q: 3. In the following figure, a current 1 = 10 amps is set up in a long hair-pin conductor formed by…

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Q: You place two long wires parallelly side-by-side, on a horizontal table, carrying currents of the…

A: We can find the direction of magnetic field by wrapping our right hand fingers around thr wire with…

Q: An electron and a proton are moving in circular orbits in the earth’s magnetic field, high above the…

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Q: Two concentric, coplanar, circular loops of wire of different diameter carry currents in the same…

A: Here two concentric, coplanar, circular loops of wire of different diameter carry currents in the…

Q: Two parallel cables are set apart by a distance d = 10 cm. Currents I1 = 6.0 A and I2 = 4.0 A flow…

A: I1 = 6 Amp I2 = 4 Amp distance = d = 10 cm = 0.1 m

Q: Two long straight current-carrying wires are lined up parallel to one another at a distance d.…

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Q: a) What is the magnetic field at a distance of 2.0 cm from a 10.0 Amp current? b) If another wire…

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Q: Two electrons are moving in a uniform magnetic field. The velocity of the first electron is twice…

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Q: If an electric current of 8A is split into three branches, forming a parallel combination, and the…

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Q: If you have three parallel wires in the same plane, with currents in the outer two running in…

A: Recall that when the directions of currents flowing through two long straight parallel wires are the…

Q: O Part 1: Attract or repel? Which of the following pairs of objects will magnetically REPEL each…

A: A magnet is an object or substance that generates a magnetic field. This magnetic field is…

Q: A charged particle is moving perpendicular to a magnetic field in a circle with a radius r. The…

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Q: If a charged particle moves in a straight line through some region of space, can you say that the…

A: Magnetic force on a moving charged particle is given by,

Q: Two long straight current-carrying wires are lined up parallel to one another at a distance d.…

A: Magnetic field produced by both wire is in opposite directions

Q: Two long straight current-carrying wires are lined up parallel to one another in vacuum at a…

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Q: Two infinitely long, straight, parallel wires are orientated perpendicular to the page as shown…

A: We will answer the question by using formula for the magnetic field due to a infinitely long…

Q: Two long, parallel wires are separated by a distance of 2.5 cm. The force per unit length that each…

A: Two parallel wire are separated by 2.5cmF/l = 40uN/m =40x10-6 N/m

Q: If an electric current of 8 A is split into three branches, forming a parallel combination, and the…

A: The amount of current, The ratio of the lengths of the wires in the  branches is The ratio of the…

Q: Two long, parallel wires are separated by a distance of 0.200 m. The currents I1 and 12 have the…

A: distance between two long wires (d) = 0.200 m I1 = 2.5 AI2 = 4 ALength of each wire (L) = 1.20 m

Q: An electron moves straight upward away from the ground in a region where the Earth's magnetic field…

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Q: Consider infinitely long three wires below. To have a zero net magnetic force (per unit length) on…

A: When the current in the wires flow in the same direction, then the force between the wires is…

Q: Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same…

A: We have been given data- Current flowing in wire A, IA=8.0 A Current flowing in wire B, IB=5.0 A…

Q: A long wire, parallel to the ground, carries a current toward the east in a magnetic field that is…

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Q: Two long straight current-carrying wires are lined up parallel to one another at a distance d.…

A: Given Data:- Separation between the two wires is d. Currents through them are I1=4A, I2=2A Magnetic…

Q: In 1962 measurements of the magnetic field of a large tornado were made at the Geophysical…

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Q: Assume for simplicity that the Earth’s magnetic north pole is at the same location as its geographic…

A: If the Earth’s magnetic north pole and the geographical North Pole are at the same location, then…

Q: Two very long, straight, parallel wires each carry currents as shown in the figure, A point P is…

A: (A) Write the formula for the magnetic field due to the current-carrying wire.

Q: The wire carrying 325 A to the motor of a commuter train feels an attractive force per unit length…

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Q: Two long, parallel wires carry currents of I1 = 16.0 A and I2 = 8.0 A in opposite directions (see…

A: The magnetic field is B=μoI2πd For region II, Bnet=μoI12πd+μoI22πr+d Therefore, B→net≠0 in region…

Q: Two very long parallel wires carry currents of magnitude 2A and 3A respectively, going in opposite…

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Q: 11, 12 and 13 currents flow through infinitely long linear wires parallel to each other in the same…

A: Given, I1, I2 and I3 are the currents flowing through three parallel infinitely long wires. The…

Q: Problem 13: Suppose the starter cable of a car is carrying 130 A of current. Assume this cable is…

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Q: Two parallel wires separated by 3.55 cm repel each other with a force per unit length of 1.70 x 104…

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Q: A negatively-charged particle travels parallel to magnetic field lines within a region of space.…

A: Let the magnitude of charge = q  Let the magnetic field strength  = B Let the Velocity of charge = v

Q: Two long, straight wires are parallel and 15 cm apart. One carries a current of 2.8 A, the other a…

A: We have two straight wires parallel to each other. Current in wire 1, I1=2.8A Current in wire 2,…