GATE 2023 Electromagnetics & transmission line Quiz 38

In the plane z = 5m a thin ring of radius, a = 3m is placed such that x-axis passes through it’s center. If the ring carries a current of 50 mA in 4 direction then the magnetic field intensity at point (0, 0, 1) will be ________ mA/m in a_z direction

Planes z = 0 & z = 4 carry current k = –10a_x A/m & k = 10a_x A/m respectively. Determine H at (1, 1, 1)?

A conductor of uniform cross section and 60 m long has voltage drop of 1.2 V and a current density of 2.56 × 10⁵ A/m². The conductivity of the material in conductor is _________ × 10⁷ S/m

Let μ=10^-5H/m, ϵ = 4 ×10^-9F/m, σ =0 and ρ_V = 0. Find K so that D = 6a_x – 2a_y + 2za_z nC/m² and H = kxa_x – 10ya_y - 25 za_z A/m satisfies Maxwell’s equations.

Consider the rectangular loop on z =0 plane shown in figure. The magnetic flux density is. . The total force experienced by the rectangular loop is