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Which, among the following is the correct expression for star-delta conversion?R1=RaRb/(Ra+Rb+Rc), R2=RbRc/(Ra+Rb+Rc), R3=Rc*Ra/(Ra+Rb+Rc)b)
R1=RaRb/(Ra+Rb+Rc), R2=RbRc/(Ra+Rb+Rc), R3=Rc*Ra/(Ra+Rb+Rc)b)
R1=Ra/(Ra+Rb+Rc), R2=Rb/(Ra+Rb+Rc), Rc=/(Ra+Rb+Rc)
R1=Ra+Rb+RaRb/Rc, R2=Rc+Rb+RcRb/Ra, R3=Ra+Rc+Ra*Rc/Rb
R1=RaRb/Rc, R2=RcRb/Ra, R3=Ra*Rc/Rb