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Worksheets

QUIZZ SHOW

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

__________ is a region of Electromagnetic spectrum having frequency ranging from 1GHz to 100 GHz

a)

Micro wave

b)

UV

c)

IR

d)

None of these

2.

Which of the following bands that comes under Microwave Band

a)

C

b)

D

c)

E

d)

all the above

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].

4.

Admittance and impedance matrices of a micro waves network are related as:

a)

[Y] = [Z].

b)

Y] = [Z]-1.

c)

[V] = [Z] [Z]-1.

d)

[Z] = [V] [V]-1.

5.

In a two port network, if current at port 2 is 2A and voltage at port 1 is 4V, then the impedance Z₁₂ is:

a)

2 Ω

b)

8 Ω

c)

0.5 Ω

d)

Insufficient data

6.

For a reciprocal network, Z matrix is:

a)

Skew symmetric matrix

b)

Null matrix

c)

Symmetric matrix

d)

A unit matrix

7.

The matrix with impedance parameters Z₁₁=1+j, Z₁₂=4+j, Z₂₂=1, Z21=4+j is said to be

a)

Lossless network

b)

Lossy network

c)

Reciprocal network

d)

None of the mentioned

8.

For a lossless network, the impedance and admittance matrices are:

a)

Real

b)

Purely imaginary

c)

Complex

d)

Rational

9.

S parameters are expressed as a ratio of:

a)

Voltage and current

b)

Impedance at different ports

c)

incident and reflected voltage waves

d)

None of the above

10.

ABCD matrix is used:

a)

When there is two or more port networks in the cascade

b)

To represent a 2 port network

c)

To represent a 2 port network

d)

To represent the impedance of a microwave network