Download JNTU-Hyderabad MBA 3rd Sem R15 2018 July 723AG Strategic Management Accounting Question Paper

Code: 13A05305

R13

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B. Tech II Year I Semester Examinations, November/December - 2016

ELECTROMAGNETIC THEORY AND TRANSMISSION LINES

Time: 3 Hours Max. Marks: 75

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Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.

PART - A (25 Marks)

1. 1. State Coulomb's Law. (2 Marks)
   2. Define electric potential and potential difference. (3 Marks)
   3. State Ampere's Circuital Law. (2 Marks)

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   4. Define magnetic dipole moment. (3 Marks)
   5. Define displacement current. (2 Marks)
   6. State Faraday's Law of electromagnetic induction. (3 Marks)
   7. Define intrinsic impedance. (2 Marks)
   8. Define loss tangent. (3 Marks)

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   9. Define reflection coefficient. (2 Marks)
   10. Define standing wave ratio. (3 Marks)

PART - B (50 Marks)

2. Derive an expression for electric field intensity due to uniformly charged line.

   OR

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   Explain the concept of electric dipole. Derive an expression for potential and electric field intensity due to electric dipole.

3. Derive Poisson's and Laplace's equations. State their importance in electrostatic fields.

   OR

   What is meant by dielectric polarization? Explain different types of polarization in dielectrics.

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4. Derive an expression for magnetic field intensity on the axis of circular loop.

   OR

   Derive an expression for the force between two current carrying conductors.

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5. Derive Maxwell's equations from basic laws.

   OR

   State Poynting theorem. Explain the significance of each term in Poynting theorem.

6. Derive the expressions for characteristic impedance, attenuation constant and phase constant for a transmission line.

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   OR

   Explain single stub matching with the help of Smith chart.

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