Mathematics · Current Electricity
समान लंबाई और समान अनुप्रस्थ काट क्षेत्रफल वाले चार समरूप तारों के श्रेणीक्रम संयोजन का प्रभावी प्रतिरोध 4 Ω है। जब इन प्रतिरोध तारों को समांतर क्रम में जोड़ा जाएगा, तो प्रभावी प्रतिरोध कितना होगा?
- 11 Ω
- 20.4 Ω
- 30.25 Ω✓
- 44 Ω
सही उत्तर देखें
0.25 Ω
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