Which of the following statement describes the given Maxwell equation?  $\nabla\cdot D=\rho V$  

A vector field A is said to be irrotational if

The region x<0 carries a perfect dielectric for which ε_r1=2.0, while the region x>0 is characterized by ε_r2=4.0. If in the given medium 1, E₁= -3a_x+5a_y+2a_z then what will be the electric field density D₂ in medium 2?

The curl of the gradient of the scalar field defined by V = 2x²y + 3y²z + 4z²x is

Calculate electric field at a point N (4, -3, and 2) in free space caused by a charge Q₁= 3 μc at P₁(0,0,0)

Image theory is applicable to problems involving

An inductor of 0.3125 H, is in steady state condition & carries a current of 2.28 Amp in their circuitry, then how much amount of Magnetic Energy stored in the inductor

Find the values of a, b, c if the given field v=(x+2y +az)i + (bx-3y -z) j+ (3x+cy+2z) k is irrotational.

Electromagnetic waves are represented in which of the following format?

Which equations are regarded as wave equations in frequency domain for lossless media?

In conductors, the E and H vary by a phase difference of

The relation between the speed of light, permeability and permittivity is

In pure dielectrics, the parameter that is zero is

A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300mm and a cross-sectional area of 300 mm². The inductance of the coil corresponding to a magnetizing current of 3A will be (Given that μ0 = 4π × 10^–7 H/m)

A square loop of wire in the plane carrying 2 mA in the field of an infinite filament on the y-axis, as shown in figure.

A point charge of +1 nC is placed in a space with a permitivity of 8.85 × 10^–12 F/m as shown in Fig. The potential difference V_PQ between two points P and Q at distances of 40 mm and 20 mm respectively from the point charge is

A toroid having inner radius a and outer radius b with current I carries N turns with r as radius. Which among the following condition describes magnetic field to be zero everywhere inside the inner radius?

The volume of a parallelepiped in Cartesian is

Transform the vector A = 3i – 2j – 4k at P(2,3,3) to cylindrical coordinates

The angular separation between the vectors A = 4i + 3j + 5k and B = i – 2j + 2k is (in degrees)

What will be the current in the circular coil of radius 15 cm having magnetic field strength of 2,000 A/m, if the coil is wound with 250 turns

Two point charges Q₁ = 10μC and Q₂ = 20μC are placed at coordinate (1, 1, 0) and (–1, –1, 0) respectively. The total electric flux passing through a plane z = 20 will be

Which of the following relations is valid?

The magnetic field intensity vector of a plane wave is given by H (x, y, z, t) = 10 sin (5000t + 0.004x + 30 ay ), where denotes unit vector in y direction the wave is propagating with a phase velocity.

Velocity of the wave when it passes from air into sphere

Δ²V = - p/E is known as __________ equation

The wavelength of an electromagnetic wave after reflection at angle on a surface

1 dB is equal to __________ nepier

The intrinsic impedance of free space