Download All the faculty requested to use Question Style - Calibri and Size

EXAMINATION BRANCH
QUESTION BANK
Name of the branch: ECE
Year & Sem:II-II
SECTION : ECE-B
Name of the subject: ELECTROMAGNETIC THEORY AND TRANSMISSION LINES (EMTL)
Name of the faculty, Designation & Mobile number: K. POORNACHARY, ASST.PROF, 9581202261
Date of Examination:
Academic Year: 2016-17
NOTE: All the faculty requested to use Question Style - Calibri and Size - 12
UNIT-I
S.N0
1
2
3
4
5
6
7
8
9
10
11
12
APPEARED IN
(R05,R07,
R09, R13)
MARKS
Assigned
Define scalar and vector quantity
Define the following terms.
A)operator del
B)Gradient of Ø
C)The divergence
D) The curl.
R 07
6
R07
8
Explain about vector integral calculus.
A parallel plate capacitor has plates 0.25mm apart and dielectric with
relative permeability of 4.Determine the electric field intensity and the
voltage between plates if the surface charge is 5×10-6c/m2.
Define capacitor and capacitance and determine the capacitance of parallel
plate capacitor.
R05
5
R09
8
R07
10
Derive an expression of equation of continuity.
R05
8
Define electric field and electric field intensity.
R13
6
QUESTION
Explain about different types of charge distributions.
8
State and explain coulomb’s law in detail?
Find the force on charge q1,100µC,due to charge q2,300µC,where q1 is at
(0,1,2)m and q2 at (3,0,0)m
8
R13
8
Determine the electric field intensity due to infinite line charge?
R07
8
Derive the expression for energy density in electrostatic fields?
R09
10
13
14
15
State &explain Gauss’s law in detail?
R09
10
Determine the electric field due to a surface charge?
Define work done, potential difference and electric potential and potential
gradient.
R09
10
R05
8
APPEARED IN
(R05,R07,
R09, R13)
MARKS
Assigned
UNIT-II
S.N0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
QUESTION
State and explain Biot-Savart’s law?
R09
6
Determine Magnetic field Intensity due to finite length current carrying
conductor?
R07
8
State and explain the Ampere’s Circuit Law?
Magnetic field Intensity due to Infinite Line Current(Ampere’s Law
application)?
R05
8
R13
8
Magnetic field Intensity due to Infinite sheet of current?
R09
8
Magnetic field Intensity due to Infinitely long Co-axial Transmission line?
R09
8
Define Magnetic flux density and Magnetic field Intensity?
R13
8
Write the Maxwell’s Equations for Static Electric and Magnetic fields?
Calculate the magnetic flux density at the centre of a current carrying loop
when the radius of loop is 2cm, loop current is 1m A. and loop is placed in
air?
R07
8
R09
4
R09
8
R07
8
R07
6
R13
8
R05
R07
5
8
Derive the Expression for Electric Potential due to a dipole?
What are the dielectrics and explain the behavior of conductors in an
electric field.
Define Dielectric constant, Isotropic dielectrics and Homogeneous
dielectrics
Find the Incremental field strength at P2 due to the current element of
2π aZ μA-m at P1. The coordintets of P1 and P2 are (4,0,0) and (0,3,0)
respectively.?
Define Relaxation Time? And Find the relaxation time of Sea water whose
dielectric constant 81 and Conductivity is 5 Ʊ/m?
Point charges 1mC and -2mC are located at (3,2,-1) and (-1,-1,4)
respectively. Calculate the Electric force on a10 nC charge located at
(0,3,1) and The Electric field Intensity at that point?