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A uniform wire of resistance 1002 is melted and recast as a wire of length double that of the origınal. The resistance of the wire is a) 400 2 b) 3002 c) 1502 d) 250 2 f recistance R is uniformly compressed along its length until its radius becomes n time

A uniform wire of resistance 1002 is melted and recast as a wire of length double that of the origınal. The resistance of the wire is a) 400 2 b) 3002 c) 1502 d) 250 2 f recistance R is uniformly compressed along its length until its radius becomes n time

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a) Ax10Qm b) 2n ×10QM T ×10 “Qm d) Tx10“2m [ A uniform wire of resistance 1002 is melted and recast as a wire of length double that of the original. The resistance of the wire is a) 400 2 c) 1502 A uniform wire of resistance R is uniformly compressed along its length until its radius becomes n times b) 300 2 d) 2502
Transcribed Image Text:a) Ax10Qm b) 2n ×10QM T ×10 “Qm d) Tx10“2m [ A uniform wire of resistance 1002 is melted and recast as a wire of length double that of the original. The resistance of the wire is a) 400 2 c) 1502 A uniform wire of resistance R is uniformly compressed along its length until its radius becomes n times b) 300 2 d) 2502
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