NICE STORY There is a story about four men named Everybody, Somebody, Anybody, and Nobody. There was an important job to be done, and Everybody was asked to do it. Everybody was sure that somebody would do it. Anybody could have done it, but Nobody did it. Somebody got angry about that, because it was Everybody’s job. Everybody thought that Anybody could do it, and Nobody realized that Everybody wouldn’t do it. It ended up that everybody blamed somebody, When actually Nobody did what Anybody could have done.

FILL IN THE BLANKS TRUE OR FALSE MULTIPLE CHOICE Q.NO. ANSWER 11 12 13 14 15 Q.NO. ANSWER 16 17 18 19 20 Q.NO. ANSWER 1 2 3 4 5 6 7 8 9 10

MULTIPLE CHOICE 1.For which medium the conductivity is not zero. [ ] A) Free Space B) Lossless Dielectric C) Lossy Dielectric D) Conductors

MULTIPLE CHOICE 2.For which medium the conductivity is infinity. [ ] A) Free Space B) Lossless Dielectric C) Lossy Dielectric D) Conductors

MULTIPLE CHOICE 3.A Wave can also be called as………… [ ] A) Radiation B) Signal C) Time varying field D) All the above

MULTIPLE CHOICE 4.--------- are means of transporting energy or information [ ] A) Radiations B) Signals C) Time varying fields D) All the above

MULTIPLE CHOICE 5.A wave is a function of ------------ [ ] A) Space variables B) Time C) Both A and B D) None

MULTIPLE CHOICE 6.A wave can………… [ ] A) Propagate B) not propagate C) Not exists D) None

7.A wave travel in -----direction. [ ] A) Negative z B) Positive z ***** MULTIPLE CHOICE 7.A wave travel in -----direction. [ ] A) Negative z B) Positive z C) Both A and B D) None

8.A wave travel in -----direction. [ ] A) Negative z B) Positive z ********* ***** MULTIPLE CHOICE 8.A wave travel in -----direction. [ ] A) Negative z B) Positive z C) Both A and B D) None

9.The propagation constant ,γ is a………quantity. [ ] ********* ***** MULTIPLE CHOICE 9.The propagation constant ,γ is a………quantity. [ ] A) Real B) Imaginary C) Complex D) None

MULTIPLE CHOICE 10.From the experiments the η=……………… [ ] A) B) C) D)

11.For a lossy dielectric medium α=……………… FILL IN THE BLANKS 11.For a lossy dielectric medium α=………………

12.For a lossy dielectric medium β=……………… FILL IN THE BLANKS 12.For a lossy dielectric medium β=………………

13. The intrinsic impedance of free space is given by………………Ω. (value) FILL IN THE BLANKS 13. The intrinsic impedance of free space is given by………………Ω. (value)

14. The intrinsic impedance of Lossless medium is……………… FILL IN THE BLANKS 14. The intrinsic impedance of Lossless medium is………………

15. The intrinsic impedance of conducting medium is……………… FILL IN THE BLANKS 15. The intrinsic impedance of conducting medium is………………

TRUE OR FALSE 16. The Electric, Magnetic and Wave propagation are mutually perpendicular to each other. [ ]

17. The wave can also be called as Transverse TRUE OR FALSE 17. The wave can also be called as Transverse Electro Magnetic (TEM) wave. [ ]

18. The skin depth will exist for free space [ ] TRUE OR FALSE 18. The skin depth will exist for free space [ ]

19. The direction of H field is called the polarization. [ ] TRUE OR FALSE 19. The direction of H field is called the polarization. [ ]

20. is called the loss tangent. [ ] TRUE OR FALSE 20. is called the loss tangent. [ ] (σ/ωϵ)

η= η= 120π=377Ω Q.NO. ANSWER 11 12 13 14 15 Q.NO. ANSWER 1 C 2 D 3 4 5 6 A 7 B 8 9 10 η= η= Q.NO. ANSWER 16 TRUE 17 18 FALSE 19 20