B.TechSemester 32024-25Electromagnetic Field TheoryKEE301

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
  • a
    Convert the point (2,6,3) into a spherical coordinate system. CO1 Kଶ
  • b
    Compute the gradient of the scalar field 𝑓ሺ𝑥, 𝑦, 𝑧ሻ ൌ𝑥 ଶ ൅𝑦൅𝑧 a t point (2,0,1)
  • c
    List the type of charge distribution with examples. CO2 Kଶ
  • d
    Describe how 𝐸ሬሬ⃗ൌെ ∇ 𝑉, where E and V denote electric field and electric potential respectively
  • e
    Define Lorentz’s law of force. CO3 Kଵ
  • f
    State that the ∮𝐵. 𝑑𝑠 is zero in a static magnetic field CO3 Kଵ
  • g
    Describe magnetic moment. CO4 Kଶ
  • h
    State 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
  • a
    Given vector field 𝐺⃗ ൌ8 𝑠 𝑖 𝑛 𝜑 𝑎௥ is in spherical coordinate, modify it into the cylindrical and rectangular coordinate system
  • b
    Determine the electric field in space due to charged finite length wire having uniform charge density
  • c
    Explain 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?
  • d
    Verify that magnetostatic energy is given by 𝑊௡ ൌ
  • e
    Determine 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
  • a
    Derivethe Gauss divergence theorem. CO1 Kଷ
  • b
    Examine the gradient of any scaler V and divergence and curl of any vector𝐴 ሬሬሬ⃗in different co-ordinate systems
  • a
    A 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
  • b
    Explain the concept of energy stored and energy density in s tatic electric field
  • a
    Derive the expression of magnetic field for an infinitely lo ng coaxial transmission
  • b
    Determine 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
  • a
    Explain the concept of magnetization and susceptibility. CO4 Kସ
  • b
    Derive an expression for the inductance of solenoid and toroid. CO4 Kଷ
  • a
    Derive and state the Poynting theorem for EM wave. CO5 Kଷ
  • b
    Derive 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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