he strength of the magnetic field produced by the wire, but the device does not directly measure the current.  If the device is place 0.98m away from the wire, and the magnetic field strength is 1.7

Q: An infinitely long wire carries a current of I = 140 A.   Part (a)  Consider a circle with a radius…

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Q: The figure(Figure 1) shows a zero-resistance rod sliding to the right on two zero-resistance rails…

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Q: A conductor carries a current of 1.7A directed along the x + y axis perpendicular to a uniform…

A: Given: The current in the conductor is 1.7 A. The magnetic field per unit length is 0.516 N/m.

Q: An electron with a velocity v = 6 x 106 i m/s enters a region in which the electric field is E -450…

A: For electron to be undeflected magnetic force must be euqal to the electric force .

Q: A conductor suspended by two flexible wires as shown in the figure below has a mass per unit length…

A: a) Write the expression for the force. Here, m represents the mass, B represents the magnetic…

Q: Point a is on the +y-axis at y = +0.200 m and point b is on the +x-axis at x = + 0.200 m. A wire in…

A: radius, r=0.200 mcurrent, I=4.50 Amagnetic field, B=0.800 Twhen the direction of the current is from…

Q: A wire of circular cross-section carries current density that is not uniform but varies with…

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Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

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Q: A wire loop is moved from outside the magnetic field until it is fully inside the magnetic field.…

A: 1.Δϕ=ϕf-0 2.ϕf=Δϕ 3.1.7=0.031×A

Q: A solenoid has a length of 15 mm and a radius of 0.25 mm, and consists of 5000 circular turns. If a…

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Q: slide wire shown in the diagram above is pushed toward the 6.89 Ω resistor at a steady speed of…

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Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

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Q: 5.20

A: The electric field and magnetic fields are the two intertwining concepts that rely on each other and…

Q: A square loop whose sides are 6.0-cm long is made with copper wire of radius 1.0 mm. If a magnetic…

A: Given: The length of wire is L=6 cm. The radius of wire is r=1 mm. The rate of magnetic field is…

Q: A circular loop of wire with radius 0.0430 m and resistance 0.152 2 is in a region of spatially…

A: Radius of circular loop (r) = 0.043 m Resistance (R) = 0.152 ohm Initial magnetic field = 8.48 T…

Q: In the figure below, the current in the long, straight wire is I,=12.3 A, and the wire lies in the…

A: Current in the long straight wire = Current in the rectangular loop = There will no force on the…

Q: A loop of area 1.27 m2 is in a uniform 2.11 T magnetic field. If the flux through the loop is 0.878…

A: Given data The area of the loop is A=1.27 m2 The magnetic field is B=2.11 T The magnetic flux is…

Q: In each of the figures below, a uniform magnetic field B points in the +x-direction. The magnitude…

A: Given data: The magnitude of the magnetic field, B=1.50 T. The side length of the square loop,…

Q: If the U-shaped conductor in the figure has resistivity ρ, whereas that of the moving rod is…

A: The distance traveled by the rod in time dt is:

Q: Question #1) A wire of circular cross-section carries current density that is not uniform but varies…

A: Given: The current density, J=Jo1-r2R2                …1

Q: AB is a current carrying conductor in the plane of paper as shown in the figure? What are the…

A: Formula of magnetic field due to straight wire at a distance r can be given as: B=μ0I4πrsinθ1+sinθ2…

Q: In the figure below, the current in the long, straight wire is Iy=15.5 A, and the wire lies in the…

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Q: A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field…

A: Given data: Hall electric field, Magnetic field, B = 2.5 T Number of electrons, Cross-sectional…

Q: An alpha particle (consisting of two protons and two neutrons), traveling at a speed of v = 1.2 x…

A: The given alpha particle has two protons and two neutrons. The charge on proton is +e, whereas, the…

Q: An alpha particle (consisting of two protons and two neutrons), traveling at a speed of v = 1.2 x…

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Q: If a bar magnet is dropped through a conducting loop with its South pole downward as shown in the…

A: Given data If a bar magnet is dropped through a conducting loop with its South pole downward as…

Q: A +6μC point charge is moving at a constant speed of 8x106 m/s in the +y-direction, relative to a…

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Q: Part (a) If both wires are carrying a current of 3.5 A, what is the magnitude of the magnetic field,…

A: Given, Side of the equilateral triangle, d=4.6 cm=0.046 m Case I:  I1=I2=3.5 A Case II: I1=3.5…

Q: A conducting rod of length l moves on two horizontal, frictionless rails as shown. If a constant…

A: Current through resistor can be determined as Using energy conservation, we can equate (1) and (2)…

Q: A student makes a short electromagnet by winding 200 turns of wire around a wooden cylinder of…

A: a) The magnetic dipole moment of a coil is given by,

Q: A coaxial cable consists of a long thin wire surrounded by a cylindrical conductor of radius 5mm. A…

A: Given information: Here, I is current in the wire and in the conductor, R is the conductor’s radius…

Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

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Q: Consider the velocity selector diagrammed below. If the charged particle ejected by the heated…

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Q: Consider the two wires in the figure, running at a right angle to each other. The wires carry the…

A: Given data: Current in the wires, I=2.5 mA = 2.5×10-3 A    d1=34 cm = 0.34 m  d2=12.5 cm = 0.125 m…

Q: Figure shows a cross section of a hollow cylindrical conductor of radii a and b, carrying a…

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Q: The current density in a very long cylindrical conductor of radius 10 cm is given as Jv=200e0.5az…

A: Given that the radius of the cylindrical conductor is r = 10 cm = 0.10 m. The current density is J.…

Q: j(r)= see image for radius r in the range 0 R.  C) For what r, in meters, is the current enclosed…

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Q: A conductor suspended by two flexible wires as in the figure below has a mass per unit length of…

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Q: In the figure below, the current in the long, straight wire is I, = 7.00 A and the wire lies in the…

A: The magnitude and direction of the net force(Fnet) exerted on the loop by the magnetic field created…

Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

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Q: In the figure below find the current flowing through section P Q. P Q has length a = 65 cm and 8 is…

A: Given : Length (a) = 65 cm = 0.65 m B = (1 x 10-3 T/s)t Resistance per unit length (R/L) = 0.10 Ω/m

Q: A strip of copper is placed in a uniform magnetic field of magnitude 3.5 T. The Hall electric field…

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Q: A length of copper wire carries a current of 11 A, uniformly distributed through its cross section.…

A: Given data, Current = 11 A Diameter = 2.3 mm Resistance = 4.5 ohm/km

Q: In the Bainbridge mass spectrometer, the magnetic-field magnitude in the velocity selector is 0.650…

A: Given data: Strength of magnetic field is, B=0.650 T. Speed of ions is, v=1.82×10 m/s. Separation…

Q: What will be the total magnetic flux through a coil of wire when the surrounding magnetic field is…

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.