Question: Ra is resistance at A, Rb is resistance at B, Rc is resistance at C in star connection. After transforming to delta, what is resistance between A and C?

Options

A : Ra+Rb+Ra*Rb/Rc

B : Ra+Rc+Ra*Rc/Rb

C : Ra+Rb+Ra*Rc/Ra

D : Ra+Rc+Ra*Rb/Rc

Click to view Correct Answer

Previous || Next

Basic Electrical Engineering Star Delta Transformation more questions

Determine the rate law for first order reaction 2A ?....

Choose the correct rate law for the elementary reversible reaction....

Ra and Rd are the opposite arms of a Wheatstone....

A 200 V dc motor has external resistances of Ra....

If R2 = RC RA / (RA +RB +RC )....

Rab is the resistance between the terminals A and B,....

Rab is the resistance between the terminals A and B,....

Rab is the resistance between the terminals A and B,....

Which pin is loaded with a spring which is stiffer....

In the expression of dynamic load capacity P=XVF(r) + YF(a),....

Basic Electrical Engineering Alternating Current Resistive Circuit more Online Exam Quiz

Basic Electrical Engineering Selectivity

Basic Electrical Engineering Series Circuits

Basic Electrical Engineering Series Circuits Parallel Networks

Basic Electrical Engineering Simple Parallel Circuits

Basic Electrical Engineering Source Transformations

Basic Electrical Engineering Superposition Theorem

Basic Electrical Engineering Test

Basic Electrical Engineering Thevenins Theorem

Basic Electrical Engineering Transients Cr Networks

Basic Electrical Engineering Transients Lr Networks