GATE 2023 EMT Rank Booster Quiz 22

The current density that produce the magnetic vector potential A = 2a_ϕ in cylindrical coordinates is

Magnetic field intensity produced at a distance ρ from an infinite cylindrical wire located along entire z-axis is 3 ρa_ϕ A/m. The current density within the conductor will be …… A/m² in a_z direction.

In a spherical co-ordinate system magnetic vector potential at point (r, θ, ϕ) is given as A = 12 cosθa_ϕ. The magnetic flux density at point (3, 0, ) will be

Suppose we have a radiating field given by:

A/m, and it is in free space.

Now, determine the value of magnetic flux (in weber) that crosses the surface which is defined in the area given by: 0 and 0.

Magnetic flux density and magnetic vector potential are related by

A magnetic material has the following parameters:

(i) M=120A/m and μ= 2 x 10^-4H/m.

(ii) B=200μT, X_m= 15

Determine magnetic field intensity and magnetic flux density for both (i) and (ii)

A vector field to represent a magnetic field at (1, 2, 3) the value of R should be,