1. The electric field of an electromagnetic wave at a point in free space is in the positive Y direction and the magnetic field is in the negative X direction. The direction of power flow will be in the
2. The flux and potential functions due to a line charge and due to two concentric circular conductors are of the following form:
3. The continuity of the tangential field component at the interface of two media for normal incidence of a plane wave requires
4. Which of the following relationship correct
5. A point charge is located at origin. At point (a, a) electric field is E1. At point (-a, a) the electric field is E2 and at point (-a, -a) the electric field is E3.
6. Which is valid Maxwell equation for magnetic flux density.
7. The electric field intensity $$\overrightarrow E $$ at a point P is given by $$10\hat i + 10\hat j + 10\hat k$$ where $$\hat i,\,\hat j$$ and $${\hat k}$$ are unit vectors in x, y and z directions respectively. If α, β, γ are respectively the angles the $$\overrightarrow E $$ vector makes with x, y and z axes respectively, they are given by which of the following?
8. As a result of reflections from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the
9. $${\nabla ^2}H = {\mu _0}{\varepsilon _0}\frac{{{\partial ^2}\overrightarrow H }}{{\partial {t^2}}}$$ is a
10. Consider the following statements:
1. For an isotropic medium, ε is a scalar constant.
2. For a homogeneous medium, ε, µ and σ are constant throughout the region.
3. In an anisotropic medium, D and E have the same direction.
4. For certain crystalline medium, ε varies with the direction of E.
Which of the above crystalline medium, ε varies with the direction of E.
1. For an isotropic medium, ε is a scalar constant.
2. For a homogeneous medium, ε, µ and σ are constant throughout the region.
3. In an anisotropic medium, D and E have the same direction.
4. For certain crystalline medium, ε varies with the direction of E.
Which of the above crystalline medium, ε varies with the direction of E.
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