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Current Electricity — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
Question
Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be(a) Twice of the second(b) Half of the second(c) Equal to the second(d) Four times of the second
   
   
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Answer

(b) Half of the second

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