Worksheetsfree space
Total questions: 10
Worksheet time: 3mins
The mechanism behind electromagnetic wave propagation cannot be attributed to _____
Reflection
Diffraction
Scattering
Sectoring
Free space propagation model is to predict ______
Received signal strength
Transmitted power
Gain of transmitter
Gain of receiver
Which of the following do not undergo free space propagation?
Satellite communication system
Microwave line of sight radio links
Wireless line of sight radio links
Wired telephone systems
Relation between gain and effective aperture is given by ______
G=(4πAe)/λ2
G=(4π λ2)/ Ae
G=4πAe
G=Ae/λ2
Relation between wavelength and carrier frequency is _____
λ=c/f
λ=c*f
λ=f/c
λ=1/f
Which of the following antenna radiates power with unit gain uniformly in all directions?
Directional antenna
Dipole antenna
Isotropic antenna
Loop antenna
EIRP is abbreviated as __________
Effective isotropic radiated power
Effective isotropic radio power
Effective and immediate radiated power
Effective and immediate ratio of power
Far field region is also known as _________
Near field region
Fraunhofer region
Erlang region
Fresnel region
Fraunhofer distance is given by _____
2D2/λ
2D/λ
D/λ
2D/λ2
Which of the following is called an ideal antenna?
Dipole antenna
Directional antenna
Isotropic antenna
Loop antenna
