Electromagnetic Theory Input Characteristic Impedances Online Exam Quiz
Electromagnetic Theory Input Characteristic Impedances GK Quiz. Question and Answers related to Electromagnetic Theory Input Characteristic Impedances. MCQ (Multiple Choice Questions with answers about Electromagnetic Theory Input Characteristic Impedances
The reflection coefficient lies in the range of
Options
A : 0 < ? < 1
B : -1 < ? < 1
C : 1 < ? < ?
D : 0 < ? < ?
When the ratio of load voltage to input voltage is 5, the ratio of the characteristic impedance to the input impedance is
Options
A : 1/5
B : 5
C : 10
D : 25
The group delay of the wave with phase constant of 62.5 units and frequency of 4.5 radian/sec is
Options
A : 13.88
B : 31.88
C : 88.13
D : 88.31
The power of the transmitter with a radiation resistance of 12 ohm and an antenna current of 3.5A is
Options
A : 147
B : 741
C : 174
D : 471
The maximum impedance of a transmission line 50 ohm and the standing wave ratio of 2.5 is
Options
A : 20
B : 125
C : 200
D : 75
The characteristic impedance of a quarter wave transformer with load and input impedances given by 30 and 75 respectively is
Options
A : 47.43
B : 37.34
C : 73.23
D : 67.45
The input impedance of a quarter wave line 50 ohm and load impedance of 20 ohm is
Options
A : 50
B : 20
C : 1000
D : 125
The characteristic impedance of a transmission line is normally chosen to be
Options
A : 50
B : 75
C : 50 or 75
D : 100
The minimum impedance of a transmission line 75 ohm with a standing wave ratio of 4 is
Options
A : 75
B : 300
C : 18.75
D : 150
For a matched line, the input impedance will be equal to
Options
A : Load impedance
B : Characteristic impedance
C : Output impedance
D : Zero
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