# Electrical engineering-Microwave Engineering MCQs Set/3 Sample Test,Sample questions

## Question: ```Because of the presence of the dielectric, the phase velocity of a surface wave is: ```

1.Greater than that in vacuum

2.Lesser than that in vacuum

3.Independent of the presence of dielectric

4.Insufficient data

## Question: ```Cutoff frequency fC for TEM mode of propagation is: ```

1.Fc= (2n-1)c/4dâˆšÎµr -1

2.Fc= (2n-c)/2d(âˆšÎµr-1)

3.Fc= (2n-1)/4d(âˆšÎµr)

4.Fc= (2n-1)/8dâˆšÎµr â€“ 1

1.298

2.300

3.285

4.123

1.16.8 GHz

2.117.7 GHz

3.15.3 GHz

4.8.4 GHz

## Question: ```Surface waves are typical by a field that decays ______away from the dielectric surface, with most of the field contained in or near the dielectric. ```

1.Linearly

2.Exponentially

3.Cubical

4.Field remains a constant

## Question: ```SWR standing wave ratio has to be ________for co axial connector. ```

1.Low

2.High

3.Infinite

4.Cannot be calculated

1.6.5 GHz

2.5.92 GHz

3.4 GHz

4.2 GHz

1.TE11 mode

2.TE01 mode

3.TM01 mode

4.TEM mode

1.TMO mode

2.TM1 mode

3.TM2 mode

4.TM3 mode

1.8-12 GHz

2.11-18 GHz

3.14-20 GHz

4.2-8 GHz

1.18-25 GHz

2.25-50 GHz

3.11-18 GHz

4.8-12 GHz

## Question: ```What are the connectors used in pairs called? ```

1.Jack and plug

2.Male and female connectors

3.Both the mentioned

4.None of the mentioned

## More MCQS

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