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Max. Marks: 100

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E192056 Pages:2

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIFTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019

Course Code: EC303
Course Name: APPLIED ELECTROMAGNETIC THEORY

PARTA
Answer any two full questions, each carries 15 marks.
State and explain Gauss’ Law
Write Poisson’s and Laplace’s Equation with applications
Derive the expression for capacitance of two wire transmission line.
In free space, Expression of Electric field of a plane wave is given by
E = 50 cos (1011 - x) & Find
i. Direction of propagation9

ii. Intrinsic Impedance

iii. | Expression of Magnetic field

iv. Attenuation constant

v. Phase constant

vi. Skin depth
State and explain Max well’s equation in Integral and differential form
For a plane wave propagating in a lossy dielectric, derive the expression for
Propagation constant.
Explain Scalar and vector magnetic potential

PART छ
Answer any two full questions, each carries 15 marks.

Derive the expression for reflection coefficient for a wave of perpendicular
polarization , travelling from one medium to another at oblique incidence .
Explain wave polarization

Find the polarisation of the following waves

1. E=10cos(@t- Ox) ay

1. E=16sin(@t- Ox) 2 + 25 008(01- Ox) a,

ದ
ದ
ಣು

= 10 sin (mt - Ox) 2, + 10 cos (@t- Ox) a,

iv. E=20sin(t- Ox) 4+ 20 sin (७1- Ox) 4,

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Duration: 3 Hours

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