Physics · Electricity
10 Ω प्रतिरोध वाले एक तार पर विचार करें। यदि उसी पदार्थ और समान लंबाई का एक अन्य तार है, लेकिन उसका अनुप्रस्थ काट का क्षेत्रफल (cross-sectional area) दोगुना है, तो नए तार का प्रतिरोध कितना होगा?
- 17.5 Ω
- 210 Ω
- 35 Ω✓
- 420 Ω
सही उत्तर देखें
5 Ω
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