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in order to increase the resistance of a given wire of uniform cross section to four times its value, a fraction of its length is stretched uniformly till the full length of the wire becomes 3/2 times the original length. what is the value of this fraction. ¼ 1/8 1/16 1/6

in order to increase the resistance of a given wire of uniform cross section to four times its value, a fraction of its length is stretched uniformly till the full length of the wire becomes 3/2 times the original length. what is the value of this fraction.
  1. ¼
  2. 1/8
  3. 1/16
  4. 1/6

Grade:11

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