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  • Electromagnetic Fields BTEE-403 4th Sem B.Tech PTU April 2019 Question Paper

Electromagnetic Fields BTEE-403 4th Sem B.Tech PTU April 2019 Question Paper

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  • Categories Blog, Electromagnetic Fields PTU Paper
  • Date October 20, 2015
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Download Previous Year PTU University Question  Paper of Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper

B.Tech. (EE-2011 Batch)

Electromagnetic Fields

Subject Code : BTEE-403           Paper ID : [ A1206]

Time : 3 Hrs.                          Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions

Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper SECTION-A

Q1. Write Briefly

   a) Define current density at a given point.

   b) Write the expression for energy stored in magnetic field.

   c) Define Electric Dipole.

   d) State the condition for the vector F to be solenoidal.

   e) Write down the magnetic boundary conditions.

   f) What is Lorentz force?

   g) Mention the properties of uniform plane wave.

   h) What is the effect of permittivity on the force between two charges?

   i) State Maxwell’s third equation.

   j) State Gauss law for magnetic field

                                      SECTION-B

Q2. Attempt any five questions.                                                                    5×6=30

   2. Derive the expression for force on a moving charge in a magnetic field.

   3. Derive Poisson’s equation.

   4. Explain the importance of cylindrical and spherical coordinate systems with suitable example for study of electromagnetics.

   5. What is meant by skin depth of conductor? How it is related to attenuation constant? How does it depend upon conductivity and frequency?

    6. A 300Hz uniform plane wave propagates through fresh water for which s = 0, mr = l, er = 7.8. Calculate : a) Attenuation constant.  b) The phase constant.

                                     SECTION-C

Q3. Attempt any three questions.                                                       3×10=30

   7. Using Maxwell equations, derive the Poynting’s theorem.

   8. a) Derive the equation of continuity for time varying fields.

       b) State and explain the electrostatic boundary conditions existing at the boundary between two dielectrics.

   9. Write short notes on the following :

      a) Uniqueness Theorem

      b) Reflection by perfect insulator at oblique incidence.

Electrical Engg.Materials EE-208 4th Sem April 2013 B.Tech EE Paper

Get Started

Section a Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Paper              

Define current density at a given point.

Current density at a given point.

 

Write the expression for energy stored in magnetic field.

Expression for energy stored in magnetic field.

 

Define Electric Dipole.

Electric Dipole.

 

State the condition for the vector F to be solenoidal.

Condition for the vector F to be solenoidal.

 

Write down the magnetic boundary conditions.

magnetic boundary conditions.

 

What is Lorentz force

Lorentz force

 

Mention the properties of uniform plane wave.

Properties of uniform plane wave.

 

What is the effect of permittivity on the force between two charges?

Effect of permittivity on the force between two charges

 

State Maxwell’s third equation.

Maxwell’s third equation.

 

State Gauss law for magnetic field

Gauss law for magnetic field

Electrical Engg.Materials EE-208 4th Sem April 2019 B.Tech EE Paper 

Section B :Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Paper              

Derive the expression for force on a moving charge in a magnetic field.

Expression for force on a moving charge in a magnetic field.

   

Derive Poisson's equation.

Poisson’s equation.

   

Explain the importance of cylindrical and spherical coordinate systems with suitable example for study of electromagnetics.

Importance of cylindrical and spherical coordinate systems with suitable example for study of electromagnetics.

   

What is meant by skin depth of conductor? How it is related to attenuation constant? How does it depend upon conductivity and frequency?

Skin depth of conductor.how it depend upon conductivity and frequency?

    

A 300Hz uniform plane wave propagates through fresh water for which s = 0, mr = l, er = 7.Calculate : a) Attenuation constant.  b) The phase constant.

300Hz uniform plane wave propagates through fresh water for which s = 0, mr = l, er = 7.Calculate : a) Attenuation constant.  b) The phase constant.

Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper 

Electro magnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper

Get Started

Section c :-Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper              

 Using Maxwell equations, derive the Poynting’s theorem.

Maxwell equations,Derive the Poynting’s theorem.

 

Derive the equation of continuity for time varying fields.

Equation of continuity for time varying fields.

 

State and explain the electrostatic boundary conditions existing at the boundary between two dielectrics.

Explain the electrostatic boundary conditions existing at the boundary between two dielectrics.

 

Write short notes on the following : a) Uniqueness Theorem

Short notes on the following :

a) Uniqueness Theorem

 

Write a Short Note on b) Reflection by perfect insulator at oblique incidence.

b) Reflection by perfect insulator at oblique incidence.

Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper
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