Maxwell's Equation MCQ Level - 1 - Physics MCQ

Displacement current

The correct answer is: b

Let us suppose that direction of I of 

Which drives the current. 
∴  Direction of Poynting  

The correct answer is: 

If I is current,   then where   is known as current density.

By divergence theorem 

This is known as equation of continuity.
The correct answer is: continuity equation

 The correct answer would be option D.

There is one zero that is present in Maxwell's Equations, which shows up in Gauss' Magnetic Law. As you know, zero means the absence of something - that which does not exist. And this particular zero means that magnetic monopoles do not exist.

The correct answer is: 

Total energy stored in electromagnetic field is equal to sum of the energy due to the electric field (E_e) and the energy due to magnetic field (E_H)

The rate of flowing energy per unit area along a plane perpendicular to the direction of the wave motion is called Poynting vector denoted by letter S and is given as

Thus, Poynting vector 
Curved surface area of its cylinder = 2πrL

The correct answer is: Essentially the rate at which at electric field is doing work on charges in the volume V  i.e., 

The plane electromagnetic wave is 
The frequency of the wave is f = ω/2π
Hence, E  vanishes ω/2π in 1s which is independent of δ.

The correct answer is: an integer near ω/2π and is independent of δ

The rate of transmission of electromagnetic energy per unit area through a plane perpendicular to the direction of propagation of the electromagnetic waves is known as Poynting vector denoted by letter   and is given as

The correct answer is: