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Microwave Engineering
Microwave Engineering Assessment
Quiz 1
Solution
Q.1.
The one below among others is not a type TEM line used in microwave networks:
a) Co-axial wire
b) Micro strip line
c) Strip lines
d) Surface guide
Q.2.
The one below is the only micro wave network element that is a TEM line:
a) Co-axial cable
b) Rectangular wave guide
c) Circular wave guide
d) Surface wave guide
Q.3.
The relation between voltage, current and impedance matrices of a microwave network is:
a) [V] = [Z][I]
b) [Z] = [V][I]
c) [I] = [Z][V]
d) [V] = [Z]-[I]
Q.4.
The relation between voltage, current and admittance matrices of a microwave network is:
a) [I] = [Y] [V]
b) [Y] = [V] [I]
c) [I] = [Z] [V]
d) [V] = [Z]-1[I]
Q.5.
Admittance and impedance matrices of a micro waves network are related as:
a) [Y] = [Z]-1
b) [Y] = [Z]
c) [V] = [Z] [Z]-1
d) [Z] = [V] [V]-1
Q.6.
The element of a Z matrix, Zij can be given in terms of voltage and current of a microwave network as:
a) ZIJ = VI/IJ
b) ZIJ = VIIJ
c) 1//ZIJ = 1/JIVI
d) VIJ = IJ/JI
Q.7.
In a two port network, if current at port 2 isand voltage at port 1 is 4V, then the impedance Z₁₂ is:
a) 2 Ω
b) 8 Ω
c) 0.5 Ω
d) Insufficient data
Q.8.
In a 2 port network, if current at port 2 isand voltage at port 1 is 4 V, then the admittance Y₂₁ is:
a) 0.5 Ʊ
b) 8 Ʊ
c) 2 Ʊ
d) 4 Ʊ
Q.9.
For a reciprocal network, Z matrix is:
a) A unit matrix
b) Null matrix
c) Skew symmetric matrix
d) Symmetric matrix
Q.10.
For a lossless network, the impedance and admittance matrices are:
a) Real
b) Purely imaginary
c) Complex
d) Rational
Q.11.
The matrix with impedance parameters Z₁₁=1+j, Z₁₂=4+j, Z₂₂=Z21=4+j is said to be
a) Reciprocal network
b) Lossless network
c) Lossy network
d) None of the mentioned
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