Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (EEE)- Electrical And Electronics Engineering 2020 December 3rd Sem 76384 Electromagnetic Fields Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (EE) (2018 Batch) (Sem.?3)
ELECTROMAGNETIC FIELDS
Subject Code : BTEE-304-18
M.Code : 76384
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1.
Convert the vector A= xax + y ay + z az into spherical coordinates.
2.
Write down the Maxwell's equations in free space.
3.
State Ampere's Circuital Law.
4.
Define relation between VSWR and reflection coefficient.
5.
State Stokes theorem.
6.
Differentiate between Laplace and Poisson equation.
7.
Define significance of a pointing vector.
8.
State Faraday Law.
9.
Differentiate between Ohms law and Coulomb law.
10. Define Intrinsic Impedance.
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SECTION-B
11. State and explain the boundary condition at the magnetic interface.
12. Derive the propagation of wave in the good conductor.
13. State and explain Ampere's law.
14. Discuss and derive the wave equation for the free space and conduction medium.
15. Derive the Poynting Theorem. Explain the significance of Poynting vector.
SECTION-C
16. Write a note on :
a) Attenuation and Phase constant
b) Characteristic impedance.
17. Discuss the Maxwell's equations in differential and integral form for the time varying
electric and magnetic field. Give the physical significance of each Maxwell's equation.
18. Derive an equation of continuity equation for the static and time varying field.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021