Consider the relationship of the calculation v x V × Fdv = f da × F, where S is the surface of volume V. From it find a relationship between the material currents of volume Jb and surface Kb of a magnetized medium that occupies a volume V.
Q: An electron is moving at a constant speed of 1m/s on a circle of radius 3.2m. Part (a) Express the…
A: Given that:- Radius of circle=R=3.2m
Q: The plane of a square coil of wire is perpendicular to the direction of a magnetic field. The coil…
A:
Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…
A: Given variable: Current density, J = 6br2 The radius of the conductor - R
Q: A capacitor with square plates, each with an area of 34.0 cm2 and plate separation d = 2.64 mm,…
A:
Q: A capacitor with square plates, each with an area of 37.0 cm² and plate separation d = 2.62 mm, is…
A: Area of plate (A) = 37.0 cm2 separation (d) = 2.62 mm Current ( i ) = 205 mA
Q: What would the Hall voltage be (in µV) if a 2.40 T field is applied across a 14-gauge copper wire…
A:
Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…
A: Given: The radius of the cylindrical conductor is R and current flowing in the cylindrical conductor…
Q: 3. How much current flows through a squa
A: In z direction, the current density is given as, J→ x=Co +C1 xk^Here,Co=4.7Am2,C1=-3.1Am2,L=0.9m.
Q: Part A B Plastic Copper Plastic D A)
A: Part (a) Concept:- Conductors allow the current to flow through them and the insulators do not.
Q: An clectric current of 0.716 Amps passes into two wires in which it is divided into currents in the…
A: Given data: Total current (I) = 0.716 A Current ratios I1:I2 = 2.83 : 1.09 Required: The currents…
Q: A coaxial cable has an inner conductor of radius a, and outer thin cylindrical shell of radius b. A…
A:
Q: Given that there are two wires right next to one another with the left ones current going downwards…
A: Given, Magnetic field due to left wire, B = 5.5×10-7 Tcurrent of the second wire, I2 = 0 ATHe wires…
Q: The normal vector from region 2 to region 1 is ân21=(6âx+2ây-3âz)/7. If H1=10âx+ây+12âz A/m and…
A: Given: ân21=(6âx+2ây-3âz)/7; H1=10âx+ây+12âz A/m H2=H2x âx-5ây+4âz
Q: Problem 9: An electric current is flowing through a long cylindrical conductor with radius a = 0.35…
A: Hey, since there are multiple subparts posted, we will answer first three subparts.(a)The current…
Q: What approximation do we usually make in circuit theory? Group of answer choices -A…
A:
Q: A solid sphere of radius a has magnetisation **M** = M**e**_φ. Determine expressions for its bound…
A: J_b = ∇ x Mwhere ∇ represents the gradient operator, x denotes the cross product, and n is the…
Q: The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by…
A:
Q: A capacitor with square plates, each with an area of 37.0 cm2 and plate separation d = 2.44 mm,…
A: SOlution:Given thatA =37 cm2d = 2.44 mmI = 555 mA
Q: Problem 4: An electron is moving at a constant speed of 3 m/s on a circle of radius 3.7 m. Part (a)…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: A capacitor with square plates, each with an area of 37.0 cm2 and plate separation d = 2.44 mm,…
A: Given: Area of each plate of a capacitor: A=37.0 [cm2] Distance between two plates, the plate…
Q: You want make the largest possible B field at some location (some point in space) by running a…
A:
Q: What would the Hall voltage be (in µV) if a 2.40 T field is applied across a 13-gauge copper wire…
A:
Q: 1) Adapting an old exam question: Consider a hollow cylindrical conductor of inner radius b and…
A: Given, current density is, J inner radius of hollow cylinder is, b outer radius of hollow cylinder…
Q: What would the Hall voltage be (in µV) if a 2.40 T field is applied across a 14-gauge copper wire…
A: To calculate the Hall voltage(V), we need to know the current(I) through the material, the magnetic…
Q: Can you please answer a,b & c?
A: Here given a wire of circular cross-section carries a current density j(r) = A(1-r/R). The radius of…
Q: A hollow metal cylinder has inner radius a, outer radius b, length L, and conductivity σ. The…
A: Given:The inner radius is a=0.005 mThe outer radius is b=0.022 mThe length is L.=0.1 mthe current is…
Q: A particle with a mass of 8.95 x 10-3 kg and a charge of -5.50 μC has, at a given instant, a…
A: Mass of particle = m = 8.95×10-3 kg Charge of the particle = q = -5.50 μC = -5.5×10-6 C Velocity of…
Q: 3 A 6A
A: According to Kirchhoff's current rule total current leaving a junction is equal to total current…
Step by step
Solved in 3 steps with 3 images
- A pipe of cross-sectional area 0.4 m2 carries molten gold flowing at a speed of 2.5 m/s. What is the current through the pipe?A long rod, radius R, that has uniform positive charge density p is spun around its central axis with angular velocity w, as shown below, so that the charges follow circular paths centered on the axis. Current is the flow of charge, so we have rings of current of varying radius r. You may want to review the following relationships: Current density J = dI/dA = pv (from chapter 24!) and v=wr (from PHY 204!) This means that the rotating rod of charge is equivalent to a non-uniform current density J = pwr, where the current is circulating around the axis and r is the radial distance from the axis. Note this has the same symmetry as the solenoid (current flowing in circles, field lines straight and parallel to the axis). The difference is that this is like having many nested solenoids, and as we head out from the axis, we see more and more current. R I will walk you through the steps for using Ampere's law to find the magnetic field inside the rod. (a) Draw a diagram of a cross section of…Let's take a current-carrying cable with a gradually narrowing cross-sectional area along the length of the wire so the wire turns into the shape of a very long, truncated cone. How does the drift speed (vd) vary along the length of the wire? It speeds up with the length or vd first increases and then goes down after it reaches to a critical value.or It slows down with the length of the cable or vd remains the same regardless the cross section of the cable.
- A wire of circular cross-section carries current density that is not uniform but varies with distance from the center as j(r)=j0(1-(r/R)2), for radius r in the range 0 < r < R. Here, j0 is a constant with units amperes per square meter, and the radius of the wire is R = 0.49 mm. A) Find an expression for the current enclosed in a cylinder with a radius of r < R. B) If the total current in the wire is I, find an expression for the constant j0, in terms of the other variables in the problem. C) If the total current is 1.5 A, what is the constant j0, in amperes per square meter? D) Find an expression for the magnetic field inside the wire, r < R, in terms of the current I. E) Find an expression for the magnetic field outside of the wire, for r > R. F) For what r, in meters, is the current enclosed maximum? G) What is the maximum value of the enclosed current, in amperes? H) For what r, in meters, is the magnetic field maximized? I) What is the maximum value of…A metallic sheet lies on the xy plane, carries a surface current density K = Ho where μo is the permeability of free space. The B-field just below the sheet is given as B = 2î + 4ĵ + 5k. The questions on this page are based on this scenario. -Ĵ, What is the z-component of the B-field just above the sheet?