Electromagnetic Field Theory (KEE301) - AKTU Question Paper 2024-25
B.Tech · Semester 3 · Free PDF Download
This is the official AKTU Electromagnetic Field Theory Previous Year Question Paper for B.Tech Semester 3, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 3
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Electromagnetic Field Theory (KEE301) — extracted question text · 100 marks · 3 Hours
Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 1 0 = 2 0
- aConvert the point (2,6,3) into a spherical coordinate system. CO1 Kଶ
- bCompute the gradient of the scalar field 𝑓ሺ𝑥, 𝑦, 𝑧ሻ ൌ𝑥 ଶ 𝑦𝑧 a t point (2,0,1)
- cList the type of charge distribution with examples. CO2 Kଶ
- dDescribe how 𝐸ሬሬ⃗ൌെ ∇ 𝑉, where E and V denote electric field and electric potential respectively
- eDefine Lorentz’s law of force. CO3 Kଵ
- fState that the ∮𝐵. 𝑑𝑠 is zero in a static magnetic field CO3 Kଵ
- gDescribe magnetic moment. CO4 Kଶ
- hState ampere’s circuital law in a static magnetic field. CO4 Kଵ i. Explain the physical significan ce of the Poynting vector. CO5 Kଶ j. A conductor of 1m length is moved with a velocity of 100 m/sec perpendicular to a field of 1 Tesla. Compute the value of e.m.f induced
Section BAttempt any three o f t h e f o l l o w i n g : 1 0 x 3 = 3 0
- aGiven vector field 𝐺⃗ ൌ8 𝑠 𝑖 𝑛 𝜑 𝑎 is in spherical coordinate, modify it into the cylindrical and rectangular coordinate system
- bDetermine the electric field in space due to charged finite length wire having uniform charge density
- cExplain Biot-Savart’s law for magnetic fields. How can this concept be used to determine the magnetic field in space due to a close d-loop current-carrying wire?
- dVerify that magnetostatic energy is given by 𝑊 ൌ
- eDetermine the solution of the plain wave equation in a condu cting medium. (lossy dielectric)
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 1 0 x 1 = 1 0
- aDerivethe Gauss divergence theorem. CO1 Kଷ
- bExamine the gradient of any scaler V and divergence and curl of any vector𝐴 ሬሬሬ⃗in different co-ordinate systems
- aA potential field in free space is expressed as, 𝑉ൌ మ volt. Determine the electric flux density and hence the volume charge density at the point (r=3m, 𝜃ൌ6 0,∅ ൌ 2 5) in spherical coordinates
- bExplain the concept of energy stored and energy density in s tatic electric field
- aDerive the expression of magnetic field for an infinitely lo ng coaxial transmission
- bDetermine the magnetic flux density B at a distance of d met er from an infinite straight wire carrying current I. Also, the flux densi ty when the wire is semi-infinite
- aExplain the concept of magnetization and susceptibility. CO4 Kସ
- bDerive an expression for the inductance of solenoid and toroid. CO4 Kଷ
- aDerive and state the Poynting theorem for EM wave. CO5 Kଷ
- bDerive an expression of characteristic impedance and propaga tion constant for a general and lossless transmission line
Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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