Electrical Engineering · Network Theory
When a delta network consisting of resistors R12, R23, and R31 is transformed into an equivalent star network, what is the formula for the resistance of limb 1 (R1)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1R12 + R23 + R31
- 2R12R23R31R12 + R23 + R31
- 3R23R31R12 + R23 + R31
- 4R12R31R12 + R23 + R31✓
Correct answer
R12R31R12 + R23 + R31
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