Explore topic-wise MCQs in Basic Electrical Engineering.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Basic Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Rab is the resistance between the terminals A and B, Rbc between B and C and Rca between C and A. These 3 resistors are connected in delta connection. After transforming to star, the resistance at C will be?

A. Rac/(Rab+Rbc+Rca)
B. Rab/(Rab+Rbc+Rca)
C. Rbc*Rac/(Rab+Rbc+Rca)
D. Rab/(Rab+Rbc+Rca)
Answer» D. Rab/(Rab+Rbc+Rca)
2.

Rab is the resistance between the terminals A and B, Rbc between B and C and Rca between C and A. These 3 resistors are connected in delta connection. After transforming to star, the resistance at B will be?

A. Rac/(Rab+Rbc+Rca)
B. Rab/(Rab+Rbc+Rca)
C. Rbc*Rab/(Rab+Rbc+Rca)
D. Rab/(Rab+Rbc+Rca)
Answer» D. Rab/(Rab+Rbc+Rca)