EMWTL

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Electromagnetic Waves and Transmission Lines by Ms. T. Sireesha 1. due to infinite surface charge is equal to _____ [ ] (a) (b) (c) (d) 2. The net magnetic flux passing through any closed surface area is ______ [ ] (a) (b) Q enclosed (c) 0 (d) 3. Which equation is false in the case of time varying fields. [ ] (a) (b) (c) (d) 4. In plane electromagnetic waves , _______ . H E [ ] (a) (b) (c) 0 (d) 5. In which polarization, the electric field is perpendicular to the plane of incidence. [ ] (a) Horizontal (b) Parallel (c) Vertical (d) b or c 6. The plane separation of parallel plate wave guide is 3cm, find λc for the Dominant mode. [ ] (a) (b) 1.5cm (c) 3cm (d) 6cm 7. The input impedance of transmission line is equal to its characteristic impedance when Z R = [ ] (a) 0 (b) Z 0 (c) (d) jX R 8. Reflection co-efficient of a transmission line terminated by its characteristic impedance is ___ [ ] (a) (b) – 1 (c) 1 (d) 0

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electro magnetics quiz

Transcript of EMWTL

Page 1: EMWTL

Electromagnetic Waves and Transmission Lines by Ms. T. Sireesha

1. due to infinite surface charge is equal to _____ [ ]

(a) (b) (c) (d)

2. The net magnetic flux passing through any closed surface area is ______ [ ](a) (b) Qenclosed (c) 0 (d)

3. Which equation is false in the case of time varying fields. [ ]

(a) (b) (c) (d)

4. In plane electromagnetic waves , _______. HE [ ]

(a) (b) (c) 0 (d)

5. In which polarization, the electric field is perpendicular to the plane of incidence. [ ](a) Horizontal (b) Parallel (c) Vertical (d) b or c

6. The plane separation of parallel plate wave guide is 3cm, find λc for the Dominant mode. [ ]

(a) (b) 1.5cm (c) 3cm (d) 6cm

7. The input impedance of transmission line is equal to its characteristic impedance when ZR= [ ](a) 0 (b) Z0 (c) (d) jXR

8. Reflection co-efficient of a transmission line terminated by its characteristic impedance is ___ [ ](a) (b) – 1 (c) 1 (d) 0

Key:1.a 2.c 3.b 4.c 5.a 6.d 7.b 8.d