Physics · Current Electricity
यदि समान पदार्थ और समान प्रतिरोध R वाले चार तारों को एक बंद लूप (एक माला के मोतियों की तरह) बनाने के लिए छोर-से-छोर जोड़ा जाता है, तो इस लूप के किन्हीं दो व्यासतः विपरीत बिंदुओं (diametrically opposite points) के बीच समतुल्य प्रतिरोध क्या होगा?
- 12R
- 2R4✓
- 34R
- 4R
सही उत्तर देखें
R4
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