Radiation Resistance Online Exam Quiz
Radiation Resistance GK Quiz. Question and Answers related to Radiation Resistance. MCQ (Multiple Choice Questions with answers about Radiation Resistance
Find the radiation resistance of a Hertzian dipole of length 1m and operating at a frequency 1MHz?
Options
A : 0.08?
B : 8.8m?
C : 8.8?
D : 0.88?
In an antenna, the lower frequency limit is determined by pattern, gain or impedance.
Options
A : TRUE
B : FALSE
C : -
D : -
Power radiated by half-wave dipole with maximum current amplitude 10A is __
Options
A : 3.65k?
B : 3.650?
C : 0.365k?
D : 36.50?
Quality factor is defined as __
Options
A : 2??\frac{energy \,radiated\, per\, cycle}{Total\, energy\, stored\, by\, antenna}
B : 4??\frac{Total \,energy \,stored \,by\, antenna}{energy\, radiated\, per \,cycle}
C : 4??\frac{energy \,radiated\, per \,cycle}{Total \,energy\, stored \,by \,antenna}
D : 2??\frac{Total \,energy\, stored\, by \,antenna}{energy\, radiated \,per \,cycle}
Radiation resistance doesn't depend on direction of power radiated but depends on the frequency.
Options
A : TRUE
B : FALSE
C : -
D : -
Relation between Quality factor, Bandwidth, and resonant frequency is ___
Options
A : Q=\frac{BW}{f_0}
B : Q=\frac{f_0}{BW}
C : Q = BW?f0
D : Q=\frac{BW+f_0}{BW-f_0}
The radiation resistance dissipates same amount of power as it radiated by the antenna.
Options
A : TRUE
B : FALSE
C : -
D : -
What is the Bandwidth of the antenna operating at resonant frequency 200MHz with Quality factor 20?
Options
A : 10Hz
B : 5MHz
C : 10MHz
D : 0.1MHz
What is the length of the half-wave dipole with bandwidth 20MHz and Quality factor 30?
Options
A : 5m
B : 0.25m
C : 0.50m
D : 2.5m
What is the quality factor of the antenna operating at 650MHz and having a bandwidth of 10MHZ?
Options
A : 65
B : 0.65
C : 15
D : 55
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