Physics · Current Electricity

Which of the following is the correct formula to transform a delta to star combination? (Consider the three resistances in delta as RA, RB, RC and R1 as the star resistance connected to the node shared by RA and RC)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1R1 = RARC + RARB + RBRCRARB
2R1 = RARC + RARB + RBRCRARC
3R1 = RARCRA + RB + RC✓
4R1 = RARBRCRA + RB + RC

Correct answer

R1 = RARCRA + RB + RC

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Which of the following is the correct formula to transform a delta to star combination? (Consider the three resistances in delta as RA, RB, RC and R1 as the star resistance connected to the node shared by RA and RC)

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Which of the following is the correct formula to transform a delta to star combination? (Consider the three resistances in delta as RA, RB, RC and R1 as the star resistance connected to the node shared by RA and RC)

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