B.E-B.E Electronics and Communication Engineering Engineering Electromagnetics (Sathyabama University, Chennai, Tamil Nadu-2011)
Monday, 19 August 2013 07:25Duraimani
(Established under section 3 of UGC Act,1956)
Course & Branch :B.E - P-ECE
Title of the Paper :Engineering Electromagnetics Max. Marks:80
Sub. Code :SECX1003 (2010-11) Time : 3 Hours
Date :05/12/2011 Session :FN
PART - A (10 x 2 = 20)
Answer ALL the Questions
1. State Coulombs law.
2. What are the applications of Gauss law?
3. Write the relation between potential and electric field.
4. Write down Poisson’s and Laplace’s equations.
5. State Ampere’s circuital law.
6. Brief about Biot-Savart Law.
7. Write down Maxwell’s equation derived from Faraday’s laws.
8. Write down the Maxwell’s equation in integral form.
9. Brief about the intrinsic impedance for a perfect dielectric medium.
10. Define Poynting vector.
PART – B (5 x 12 = 60)
Answer ALL the Questions
11. State and prove Divergence theorem.
(or)
12. Prove that divergence of a curl of a vector is zero, using Stoke’s theorem.
13. A circular disc of radius ‘a’ m is charged uniformly with a charge density of σ C/ m2.Find the electric field intensity at a point ‘h’ m from the disc along its axis.
(or)
14. Given field intensity, E = 40xyux + 20x2uy + 2uz, calculate the potential difference between two points P (1,-1, 0) and Q (2, 1, 3).
15. Obtain the expression for magnetic field intensity at the centre of a circular wire.
(or)
16. Obtain the expression for magnetic field intensity due to the straight conductors.
17. Obtain the expression for the inductance of a toroids and solenoid.
(or)
18. Derive the Maxwell’s equations in differential form.
19. Explain about the propagation of EM waves in good conductor.
(or)
20. Derive Poynting theorem from Maxwell’s Curl equations for the general case.
| Earning: ₹ 4.45/- |
