Engineering BE Electronics and Computer Science Sem 6 Summer 2022 2022 Electromagnetic Engineering Question Paper - Mumbai University | munotes
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Questions asked in this paper
University of Mumbai
Examination 2022 under Cluster
Examinations Commencing from 17" May 2022
Time: 2:30-hour Max. Marks: 80
N.B. Use Smith Chart to solve transmission line Problem
Choose the correct option for following questions. All the Questions are
compulsory and carry equal marks (20 Marks)
Find the force in N between Q1 = 2C and Q2 = -1C separated by a distance 1m in
Gauss’s law is true only if force due to a charge varies as
Find the displacement current when the flux density is given by at 2 seconds
The magnetic vector potential for a line current will be inversely proportional to
Displacement current depends on
Moving Charges and Change in time
Differential Moving Charges and cumulative time period
The inductance of single-phase, two-wire transmission line per kilometer gets
doubled when the
Distance between the wires is increased as square of original distance
Distance between the wires is doubled
Distance between the wires is increased four fold
Radius of the wire is doubled
7. The characteristic impedance of a transmission line with impedance and
admittance of 16 and 9 O respectively is
The ratio of radiation intensity in a given direction from antenna to the radiation
intensity over all directions is called as
In which of the following the power is radiated through a complete spherical
The effects of EMI can be reduced b
Reducing the efficiency of the coupling path
Option C: | Suppressing emissions, Reducing the efficiency of the coupling path and
Reducing the susceptibility of the receptor
Increasing the efficiency of the coupling path and emissions
Solve any Two of the Following 20 Marks
A Derive an expression of Electric Field Intensity due to infinite line charge at any
point P on z-axis
A lossless transmission line with Zo = 50 is 30 m long and operates at 2 MHz
The line is terminated with a load = 60 + /40 Q. If u 5 0.6c on the line, where c
is velocity of light. Use Smith Chart to find (a) The reflection coefficient (b)
The standing wave ratio s (c) The input impedance Z;
Write Maxwell’s equations in time harmonic field form
Solve any Two of the Following 20 Marks
State and explain Maxwell’s equations for differential and integral form for static
State Poynting theorem and derive an expression for the Poynting vector. Explain
the power terms mentioned in the derivation
Derive an expression for transmission line equation for two wire line problem
Solve any Two of the Following 20 Marks
A Explain the terms radiation pattern, directivity, Beam-width and directive gain of
Explain in detail the sources and the characteristics of EMI. EMI control techniques
Write Short Notes on: (1) Horn Antenna (2) Microstrip Antenna
Examination 2022 under Cluster
Examinations Commencing from 17" May 2022
Time: 2:30-hour Max. Marks: 80
N.B. Use Smith Chart to solve transmission line Problem
Choose the correct option for following questions. All the Questions are
compulsory and carry equal marks (20 Marks)
Find the force in N between Q1 = 2C and Q2 = -1C separated by a distance 1m in
Gauss’s law is true only if force due to a charge varies as
Find the displacement current when the flux density is given by at 2 seconds
The magnetic vector potential for a line current will be inversely proportional to
Displacement current depends on
Moving Charges and Change in time
Differential Moving Charges and cumulative time period
The inductance of single-phase, two-wire transmission line per kilometer gets
doubled when the
Distance between the wires is increased as square of original distance
Distance between the wires is doubled
Distance between the wires is increased four fold
Radius of the wire is doubled
7. The characteristic impedance of a transmission line with impedance and
admittance of 16 and 9 O respectively is
The ratio of radiation intensity in a given direction from antenna to the radiation
intensity over all directions is called as
In which of the following the power is radiated through a complete spherical
The effects of EMI can be reduced b
Reducing the efficiency of the coupling path
Option C: | Suppressing emissions, Reducing the efficiency of the coupling path and
Reducing the susceptibility of the receptor
Increasing the efficiency of the coupling path and emissions
Solve any Two of the Following 20 Marks
A Derive an expression of Electric Field Intensity due to infinite line charge at any
point P on z-axis
A lossless transmission line with Zo = 50 is 30 m long and operates at 2 MHz
The line is terminated with a load = 60 + /40 Q. If u 5 0.6c on the line, where c
is velocity of light. Use Smith Chart to find (a) The reflection coefficient (b)
The standing wave ratio s (c) The input impedance Z;
Write Maxwell’s equations in time harmonic field form
Solve any Two of the Following 20 Marks
State and explain Maxwell’s equations for differential and integral form for static
State Poynting theorem and derive an expression for the Poynting vector. Explain
the power terms mentioned in the derivation
Derive an expression for transmission line equation for two wire line problem
Solve any Two of the Following 20 Marks
A Explain the terms radiation pattern, directivity, Beam-width and directive gain of
Explain in detail the sources and the characteristics of EMI. EMI control techniques
Write Short Notes on: (1) Horn Antenna (2) Microstrip Antenna
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