Explore topic-wise MCQs in Network Theory.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Determine the value of R2 in terms of R0 and N in the circuit shown below is?

A. R2 = NR0/(N2-1)
B. R2 = 2 NR0/(N2-1)
C. R2 = 3 NR0/(N2-1)
D. R2 = 4 NR0/(N2-1)
Answer» C. R2 = 3 NR0/(N2-1)
Discussion
2.

Determine the value of R1 in terms of R0 and N in the circuit shown below is?

A. R1 = R0(N-1)/(N+1)
B. R1 = R0(N+1)/(N+1)
C. R1 = R0(N-1)/(N-1)
D. R1 = R0(N+1)/(N-1)
Answer» B. R1 = R0(N+1)/(N+1)
Discussion
3.

The value of the characteristic impedance R0 in terms of R1 and R2 and R0 in the circuit shown below is?

A. R1+R2(R1+R0)/(R1+R0+R2)
B. R1+ R2(R1+R0)/(R1+R0+R2)
C. R2+ R2(R1+R0)/(R1+R0+R2)
D. R0+R2(R1+R2)/(R1+R0+R2)
Answer» C. R2+ R2(R1+R0)/(R1+R0+R2)
Discussion
4.

Determine the value of N in the circuit shown below.

A. (R1+R2-R0)/R2
B. (R1-R2-R0)/R2
C. (R1+R2+R0)/R2
D. (R1-R2+R0)/R2
Answer» D. (R1-R2+R0)/R2
Discussion
5.

In the circuit shown below, find the value of I1/I2.

A. (R1-R2+R0)/R2
B. (R1+R2+R0)/R2
C. (R1-R2-R0)/R2
D. (R1+R2-R0)/R2
Answer» C. (R1-R2-R0)/R2
Discussion
6.

The value of one decibel is equal to?

A. log10 (N)
B. 10 log10 (N)
C. 20 log10 (N)
D. 40 log10 (N)
Answer» D. 40 log10 (N)
Discussion
7.

What is the attenuation in dB assuming I1 is the input current and I2 is the output current leaving the port?

A. 10 log10 (I1/I2)
B. 10 log10 (I2/I1)
C. 20 log10 (I2/I1)
D. 20 log10 (I1/I2)
Answer» E.
Discussion
8.

If V1 is the voltage at port 1 and V2 is the voltage at port 2, then the attenuation in dB is?

A. 20 log10 (V1/V2)
B. 10 log10 (V1/V2)
C. 20 log10 (V2/V1)
D. 10 log10 (V2/V1)
Answer» B. 10 log10 (V1/V2)
Discussion
9.

The attenuation in dB in terms of input power (P1) and output power (P2) is?

A. log10 (P1/P2)
B. 10 log10 (P1/P2)
C. log10 (P2/P1)
D. 10 log10 (P2/P1)
Answer» C. log10 (P2/P1)
Discussion
10.

DETERMINE_THE_VALUE_OF_R2_IN_TERMS_OF_R0_AND_N_IN_THE_CIRCUIT_SHOWN_IN_QUESTION_6_IS??$

A. R<sub>2</sub>= NR<sub>0</sub>/(N<sup>2</sup>-1)
B. R<sub>2</sub>= 2 NR<sub>0</sub>/(N<sup>2</sup>-1)
C. R<sub>2</sub>= 3 NR<sub>0</sub>/(N<sup>2</sup>-1)
D. R<sub>2</sub>= 4 NR<sub>0</sub>/(N<sup>2</sup>-1)
Answer» C. R<sub>2</sub>= 3 NR<sub>0</sub>/(N<sup>2</sup>-1)
Discussion
11.

DETERMINE_THE_VALUE_OF_R1_IN_TERMS_OF_R0_AND_N_IN_THE_CIRCUIT_SHOWN_IN_QUESTION_6_IS??$

A. R<sub>1</sub>= R<sub>0</sub>(N-1)/(N+1)
B. R<sub>1</sub>= R<sub>0</sub>(N+1)/(N+1)
C. R<sub>1</sub>= R<sub>0</sub>(N-1)/(N-1)
D. R<sub>1</sub>= R<sub>0</sub>(N+1)/(N-1)
Answer» B. R<sub>1</sub>= R<sub>0</sub>(N+1)/(N+1)
Discussion
12.

The value of the characteristic impedance R0 in terms of R1 and R2 and R0 in the circuit shown in question 6 is?

A. R<sub>1</sub>+R<sub>2</sub>(R<sub>1</sub>+R<sub>0</sub>)/(R<sub>1</sub>+R<sub>0</sub>+R<sub>2</sub>)
B. R<sub>1</sub>+ R<sub>2</sub>(R<sub>1</sub>+R<sub>0</sub>)/(R<sub>1</sub>+R<sub>0</sub>+R<sub>2</sub>)
C. R<sub>2</sub>+ R<sub>2</sub>(R<sub>1</sub>+R<sub>0</sub>)/(R<sub>1</sub>+R<sub>0</sub>+R<sub>2</sub>)
D. R<sub>0</sub>+R<sub>2</sub>(R<sub>1</sub>+R<sub>2</sub>)/(R<sub>1</sub>+R<sub>0</sub>+R<sub>2</sub>)
Answer» C. R<sub>2</sub>+ R<sub>2</sub>(R<sub>1</sub>+R<sub>0</sub>)/(R<sub>1</sub>+R<sub>0</sub>+R<sub>2</sub>)
Discussion
13.

Determine the value of N in the circuit shown in question 6.

A. (R<sub>1</sub>+R<sub>2</sub>-R<sub>0</sub>)/R<sub>2</sub>
B. (R<sub>1</sub>-R<sub>2</sub>-R<sub>0</sub>)/R<sub>2</sub>
C. (R<sub>1</sub>+R<sub>2</sub>+R<sub>0</sub>)/R<sub>2</sub>
D. (R<sub>1</sub>-R<sub>2</sub>+R<sub>0</sub>)/R<sub>2</sub>
Answer» D. (R<sub>1</sub>-R<sub>2</sub>+R<sub>0</sub>)/R<sub>2</sub>
Discussion
14.

The value of N in dB is?

A. N= anti log (dB)
B. N= anti log(dB/10)
C. N=anti log(dB/20)
D. N=anti log(dB/40)
Answer» D. N=anti log(dB/40)
Discussion
15.

What is the attenuation in dB assuming I1 is the input current and I2 is the output current leaving the port?

A. 10 log<sub>10</sub> (I<sub>1</sub>/I<sub>2</sub>)
B. 10 log<sub>10</sub> (I<sub>2</sub>/I<sub>1</sub>)
C. 20 log<sub>10</sub> (I<sub>2</sub>/I<sub>1</sub>)
D. 20 log<sub>10</sub> (I<sub>1</sub>/I<sub>2</sub>)
Answer» E.
Discussion
16.

If V1 is the voltage at port 1 and V2 is the voltage at port 2, then the attenuation in dB is?

A. 20 log<sub>10</sub> (V<sub>1</sub>/V<sub>2</sub>)
B. 10 log<sub>10</sub> (V<sub>1</sub>/V<sub>2</sub>)
C. 20 log<sub>10</sub> (V<sub>2</sub>/V<sub>1</sub>)
D. 10 log<sub>10</sub> (V<sub>2</sub>/V<sub>1</sub>)
Answer» B. 10 log<sub>10</sub> (V<sub>1</sub>/V<sub>2</sub>)
Discussion
17.

The attenuation in dB in terms of input power (P1) and output power (P2) is?

A. log<sub>10</sub> (P<sub>1</sub>/P<sub>2</sub>)
B. 10 log<sub>10</sub> (P<sub>1</sub>/P<sub>2</sub>)
C. log<sub>10</sub> (P<sub>2</sub>/P<sub>1</sub>)
D. 10 log<sub>10</sub> (P<sub>2</sub>/P<sub>1</sub>)
Answer» C. log<sub>10</sub> (P<sub>2</sub>/P<sub>1</sub>)
Discussion