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Same current passes through a metre of wire 2 mmin diameter and 1.5 m of another copper wire. Thepotential difference between the ends of first wire is1 V and that between the ends of second wire is 15V. Find the diameter of second wire.[Ans. 3.632 × 10-ºm] |
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Answer» 778×345×421 संख्या में इकाई का अंक ज्ञात करो The answer is 3.632×10power-3m the answer is 3.632×10 ^3m Use R = pl/AA= π(d/2)^2l = lengthp = specific resistance the answer is 3.632×10^3m the right answer is 3.632×10^3m the right answer is 3.632×10 power-3m |
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