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Electromagnetic Engineering: Maxwell's Equation and Electromagnetic Wave Propagation
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Electromagnetic Engineering: Maxwell's Equation and Electromagnetic Wave Propagation
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25 Questions

1. The skin effect is a phenomenon observed in
2. Poynting vector gives the energy flow per unit area per unit time through a cross-sectional area along the direction of propagation of the wave.
3. The induced voltage will oppose the flux producing it. State True/False.
4. In an electromagnetic wave, the electric field of amplitude 4 V/m is oscillating. The Energy density of the wave is ___________
5. When the conduction current density and displacement current density are same, the dissipation factor will be
6. The amplitude of the electric field in a parallel beam of light of intensity 3 W/m2 is __________
7. The direction of Poynting vector is perpendicular to the direction of propagation of wave.
8. A perfect dielectric acts as a
9. The resultant electric field of two components in the x and y direction having amplitudes 6 and 8 respectively is
10. The skin depth is used to find which parameter?
11. The skin depth is calculated from the amplitude of the wave. State true/false
12. Find the force due to a current element of length 2cm and flux density of 12 tesla. The current through the element will be 5A.
13. The skin depth is measured in
14. Find the displacement current when the flux density is given by t3 at 2 seconds.
15. The correct expression for the Poynting vector is __________
16. In which of the transmission systems is the skin effect observed?
17. The energy transported by the fields per unit time per unit are is called __________
18. Which of the following statements is true?
19. According to Faraday's law, EMF stands for
20. Skin effect is negligible for what supply frequency and for what diameter?
21. Earth receives 2 cal/min/cm2 of solar energy. What is the value of \mid H\mid?
22. The time varying electric field E is conservative..
23. Find the displacement current when the flux density is given by t3 at 2 seconds.
24. For time varying currents, the field or waves will be
25. A perfect conductor acts as a

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