Explore topic-wise MCQs in Network Theory Questions and Answers.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the equivalent resistance between node 1 and node 2 in the star connected circuit shown below.

A. 2
B. 29
C. 30
D. 31
Answer» C. 30
Discussion
2.

Find the equivalent resistance between node 1 and node 3 in the star connected circuit shown below.

A. 30
B. 31
C. 32
D. 33
Answer» D. 33
Discussion
3.

Find the equivalent resistance at node C in the delta connected circuit shown below.

A. 3.66
B. 4.66
C. 5.66
D. 6.66
Answer» C. 5.66
Discussion
4.

Find the equivalent resistance at node A in the delta connected circuit shown in the figure below.

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
5.

If the resistors of star connected system are R1, R2, R3 then the resistance between 3 and 1 in delta connected system will be?

A. (R1R2 + R2R3 + R3R1)/R1
B. (R1R2 + R2R3 + R3R1)/R3
C. (R1R2 + R2R3 + R3R1)/R2
D. (R1R2 + R2R3 + R3R1)/(R3+R1)
Answer» D. (R1R2 + R2R3 + R3R1)/(R3+R1)
Discussion
6.

If the resistors of star connected system are R1, R2, R3 then the resistance between 2 and 3 in delta connected system will be?

A. (R1R2 + R2R3 + R3R1)/R3
B. (R1R2 + R2R3 + R3R1)/R2
C. (R1R2 + R2R3 + R3R1)/R1
D. (R1R2 + R2R3 + R3R1)/(R3+R2)
Answer» D. (R1R2 + R2R3 + R3R1)/(R3+R2)
Discussion
7.

If the resistors of star connected system are R1, R2, R3 then the resistance between 1 and 2 in delta connected system will be?

A. (R1R2 + R2R3 + R3R1)/R3
B. (R1R2 + R2R3 + R3R1)/R1
C. (R1R2 + R2R3 + R3R1)/R2
D. (R1R2 + R2R3 + R3R1)/(R1+R2)
Answer» B. (R1R2 + R2R3 + R3R1)/R1
Discussion
8.

If a resistor Rx is connected between nodes X and Y, Ry between X and Y, Rz between Y and Z to form a delta connection, then after transformation to star, the resistance at node Z is?

A. RyRx/(Rx+Ry+Rz)
B. RyRx/(Rx+Ry+Rz)
C. RzRy/(Rx+Ry+Rz)
D. (Rz+Rx)/(Rx+Ry+Rz)
Answer» D. (Rz+Rx)/(Rx+Ry+Rz)
Discussion
9.

If a resistor Rx is connected between nodes X and Y, Ry between X and Y, Rz between Y and Z to form a delta connection, then after transformation to star, the resistance at node Y is?

A. RzRy/(Rx+Ry+Rz)
B. RzRx/(Rx+Ry+Rz)
C. RxRy/(Rx+Ry+Rz)
D. (Rz+Ry)/(Rx+Ry+Rz)
Answer» C. RxRy/(Rx+Ry+Rz)
Discussion
10.

If a resistor Rx is connected between nodes X and Y, Ry between X and Y, Rz between Y and Z to form a delta connection, then after transformation to star, the resistor at node X is?

A. RxRy/(Rx+Ry+Rz)
B. RxRz/(Rx+Ry+Rz)
C. RzRy/(Rx+Ry+Rz)
D. (Rx+Ry)/(Rx+Ry+Rz)
Answer» B. RxRz/(Rx+Ry+Rz)
Discussion