Electromagnetic field theory
Previous year question paper with solutions for Electromagnetic field theory
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- Define the terms dielectric constant and refractive index.
- Show that electric field inside a conductor is zero.
- State Green’s theorem.
- What do you mean by polarization?
- What is use of smith chart in transmission line theory?
- Define the term skin depth and write its formula for a perfect conductor.
- Show that UHF line acts as lossless line.
- Compare rectangular and circular waveguides.
- With the help of diagram explain spherical co-ordinate system.
- Write boundary condition for electric and magnetic fields.
- State Coulomb’s law of force between any two point charges.
- Prove that electric field intensity is equal to the negative gradient of the potential.
- Define wave polarization of EM waves.
- Write down three conditions to compare a conductor and dielectric.
- Compare a transmission line and a waveguide.
- Write down the demerits of single stub matching.
- Write a short note on radio frequency transmission line.
- Why TEM mode does not exist in a waveguide?
- Define dominant mode of a waveguide. Draw pattern of dominant in circular and rectangular waveguide.
- Write various transmission line impedance matching techniques.
- Define polarization
- What do you mean by wave impedance?
- Define pointing theorem
- Explain Ampere's law
- What is the advantage of using transmission lines?
- Write four Maxwell equations in differential form with its significance
- Differentiate between transmission line and wave guide
- What is the attenuation factor of TE waveguide
- Define the displacement current
- Explain is the impossibility of TEM wave in the waveguide