Explore topic-wise MCQs in Microwave Engineering.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

S12 curve of a Wilkinson coupler when plotted versus frequency is a line passing through origin.

A. True
B. False
Answer» C.
2.

The plot of S23 v/s frequency has the same curve as that of S11 v/s frequency.

A. True
B. False
Answer» B. False
3.

The plot of frequency v/s S11 parameter of a Wilkinson coupler has a dip at the frequency at which it is designed to operate.

A. True
B. False
Answer» B. False
4.

For an equal-split Wilkinson power divider of 50Ω system impedance, the characteristic impedance of quarter wave transmission line used is:

A. 70.7 Ω
B. 50 Ω
C. 100 Ω
D. None of the mentioned
Answer» B. 50 Ω
5.

THE_PLOT_OF_S23_V/S_FREQUENCY_HAS_THE_SAME_CURVE_AS_THAT_OF_S11_V/S_FREQUENCY.?$

A. True
B. False
Answer» B. False
6.

S12_curve_of_a_Wilkinson_coupler_when_plotted_versus_frequency_is_a_line_passing_through_origin.$

A. True
B. False
Answer» C.
7.

The plot of frequency v/s S11 parameter of a Wilkinson coupler has a dip at the frequency at which it is designed to operate?

A. True
B. False
Answer» B. False
8.

For an equal-split Wilkinson power divider of 50Ω system impedance, the characteristic impedance of quarter wave transmission line used is:$

A. 70.7 Ω
B. 50 Ω
C. 100 Ω
D. None of the mentioned
Answer» B. 50 ‚âà√≠¬¨¬©
9.

A Wilkinson coupler designed can be operated at any frequency.

A. True
B. False
Answer» C.
10.

The analysis of Wilkinson coupler is done using:

A. Even-odd mode analysis
B. Symmetry
C. S matrix approach
D. None of the mentioned
Answer» B. Symmetry
11.

If 10 watt is applied to the input port of a standard Wilkinson divider, then the sum of the power measured at the two output ports of the Wilkinson coupler is

A. 5 watt
B. 10 watt
C. 7.07 watt
D. 8 watt
Answer» D. 8 watt
12.

Wilkinson power divider is an equal split power divider.

A. True
B. False
Answer» C.
13.

The Wilkinson power divider is a:

A. 2 port network
B. 3 port network
C. 4 port network
D. None of the mentioned
Answer» C. 4 port network
14.

A major disadvantage of the lossless T-junction power divider is:

A. Not matched at all the ports
B. Low power output
C. Complex construction
D. None of the mentioned
Answer» B. Low power output