emwtl
DESCRIPTION
electro magnetics quizTRANSCRIPT
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