EX-504 (B) ELECTROMAGNETIC THEORY
V Sem, EX
UNIT-1
Q.1) A uniform line charge with p₁ = 5 µC/m lies along the x-axis. Find at p,(3, 2, 1) m.
(RGPV Dec 2020)
Q.2) A circular disc of radius ‘a’ m is charged uniformly with a charge density of psC/m². Find the electric potential at a point P distance ‘h’ m from the disc surface along its axis.
(RGPV Dec 2020)
Q.3) Establish relation between Cartesian and Cylindrical coordinates.
(RGPV June 2020)
Q.4) Derive electric field intensity due to line charge.
(RGPV June 2020)
Q.5) Transform the vector 
into spherical coordinates.
(RGPV June 2020)
Q.6) Define Gauss law and write its application.
(RGPV June 2020)
UNIT-2
Q.1) Deduce an expression for the capacitance of parallel plate capacitor having two identical media.
(RGPV Dec 2020)
Q.2) Find the value of capacitance of a capacitor consisting of two parallel metal plates of 30 cm x 30 cm surface area, separately by 5mm in air. What is the total energy stored by capacitor if the potential difference is 1000V? What is the energy density?
(RGPV Dec 2020)
Q.3) Explain boundary value conditions for electric field.
(RGPV June 2020)
Q.4) What is Laplace’s and Poisson’s equation? Write the solution of Laplace’s equation.
(RGPV June 2020)
Q.5) Write short note on the following. i) Uniform plane wave ii) Magnetic boundary condition iii) Charge distribution
(RGPV June 2020)
UNIT-3
Q.1) Explain Coulomb’s law and deduce the vector form of force equation between two point charges.
(RGPV Dec 2020)
Q.2) At an interface separating dielectric 1 and dielectric 2 show that the tangential component of is continuous across the boundary, whereas the normal component of is discontinuous at the boundary.
(RGPV Dec 2020)
Q.3) Derive electric boundary condition for a dielectric to dielectric medium and a conductor to dielectric medium.
(RGPV Dec 2020)
Q.4) Derive the Lorentz force on straight and long current carrying conductors in magnetic field.
(RGPV June 2020)
Q.5) Explain Ampere circuital law in point form.
(RGPV June 2020)
Q.6) Derive magnetic force for moving charge in a magnetic field.
(RGPV June 2020)
Q.7) Define the following- i) Faraday’s law ii) Displacement current iii) Magnetic potential
(RGPV June 2020)
UNIT-4
Q.1) Define impedance matching. Explain the method of impedance matching using stub and also derive an expression to find the location of stub and length of stub.
(RGPV Dec 2020)
Q.2) Develop the concept of displacement current using Maxwell’s equations.
(RGPV Dec 2020)
Q.3) Describe Maxwell’s equation for varying field.
(RGPV June 2020)
Q.4) Derive the self-inductance due to solenoid and toroid coils.
(RGPV June 2020)
UNIT-5
Q.1) Derive an expression for attenuation factor for TE waves in rectangular waveguide.
(RGPV Dec 2020)
Q.2) Define wave impedance. Derive the expression of wave impedance for TM waves that propagate in rectangular waveguide.
(RGPV Dec 2020)
Q.3) Derive relation between E and H in uniform plane wave propagation and define intrinsic impedance and give its physical significance
(RGPV Dec 2020)
Q.4) Explain propagation characteristics of TE, TM and TEM waves in rectangular waveguide.
(RGPV Dec 2020)
Q.5) Discuss the reflection of plane wave at the interface of conductor for the normal incidence as well as oblique incidence.
(RGPV Dec 2020)
Q.6) Explain the reflection of plane wave at oblique incidence.
(RGPV June 2020)
Q.7) Explain Poynting vector theorem in detail.
(RGPV June 2020)
— Best of Luck for Exam —
