B.TechSemester 32022-23Electromagnetic Field TheoryKEE-301

Electromagnetic Field Theory (KEE-301) - AKTU Question Paper 2022-23

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 2022-23. 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:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Electromagnetic Field Theory (KEE-301) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What is Conductance?
b
Define the term Magnetization and magnetic dipole moment
c
State the Gauss divergence theorem
d
Find the distance between the pair of points;
```
(4, π/3, 5) and (-1, π/2, 3)
```
e
Explain Electric Flux density
f
A charged particle moves with a uniform velocity 4𝑎ො௫ m/sec in a region where 𝐸ሬ⃗ ൌ 20𝑎ො௬ V/m and 𝐵ሬ⃗ ൌ 𝐵 ௢ 𝑎ො௭ Wb/m2. Find the value of 𝐵௢ such that the net force on the particle is zero
g
Prove that the ∮ 𝐵ሬ⃗.𝑑 𝑠ሬሬሬሬ⃗ ௦ is zero in static magnetic field
h
Write the Maxwell’s equations for time varying condition. (i) Derive a relation between current density J⃗ and magnetic field 𝐻ሬሬ⃗. (j) Explain Poynting vector

Section BAttempt any three of the following: 10x3=30

a
An airplane has a ground speed of 200 km/hr in the direction du e west. If there is a wind blowing northwest at 50 km/hr. Find the true air speed and headi ng of the airplane
b
Discuss about the displacement current and derive the expression of displacement current density
c
Find the expression of magnetic field intensity for an infinite line current
d
Derive and explain the boundary condition for static magnetic field
e
Derive an expression of electric field intensity at all the pos sible location for a uniformly charged sphere

Section CAttempt any one part of the following: 10x1=10

a
State and prove Stoke’s theorem
b
Write the expression of gradient, divergence and curl for the mostly used three orthogonal coordinate systems
a
State Gauss Law and what are the necessary conditions for applying it
b
What is Electric potential? Derive the expression of potential difference between two points
a
State and prove the Maxwell’s equations for static magnetic field
b
Derive the expression of magnetic field for an infinitely long coaxial transmission line
a
Discuss magnetic torque and differentiate with magnetic dipole moment
b
What is magnetic energy? Derive the mathematical expression
a
What is Smith chart? Discuss its importance and application in transmission line
b
Derive the equation of characteristic impedance, and propagation constant for a general line and lossless line

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.