A resistance of 2 Ω is to be made from a copper wire (specific resistance 1.7 × 10 –8 Ω…
Physics · JEE Main · NTA Exams — Current Electricity
A resistance of 2 Ω is to be made from a copper wire (specific resistance 1.7 × 10–8 Ω m) using a wire of length 50 cm. The radius of the wire is
- 0.0116 mm
- 0.0367 mm
- 0.116 mm
- 0.367 mm
Answer
(B) 0.0367 mm
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