BSc question paper
Electromagnetic Theory
Time: 2Hrs Maximum marks: 50
I. Answer all questions(6x1=6)
1. Unit of electric flux density is ……..
2. D = ------*E
3. What is divergent?
4. Expression of curl in spherical coordinate system
5. Write down Poisson’s equation
6. Expression for amount of energy stored in a capacitor
II. Answer all questions (6x2=12)
7. Neatly write down the relationship between rectangular and spherical coordinate system
8. State coulomb’s law?
9. Define 1) Potential, 2) Permittivity
10. Prove that del(del X A)= 0.
11. Derive the relation between electric flux density and electric field strength
12. State and explain integral theorems
III. Answer all questions (4x4=16)
13. Define divergence, gradient and curl.
14. With the help of a diagram, derive an expression for the capacitance of parallel plate capacitance.
15. State and explain divergence theorem
16. Neatly explain the boundary condition of electric field
IV. Answer any two questions (8x2=16)
17. Explain the physical interpretation of divergence in a rectangular coordinate system.
18. With neat diagram state and explain Gauss’s law
19. Explain the physical interpretation of curl in cylindrical coordinate system
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