[" 3.When a current of "(2.5+-0.5)" ampe...

[" 3.When a current of "(2.5+-0.5)" ampere flows "],[" through a wire,it develops a potential difference "],[" of "(20+-1)" volt,the resistance of the wire is "],[[" 1) "(8+-2)Omega," 2) "(10+-3)Omega],[" 3) "(18+-4)Omega," 4) "(20+-6)Omega]]

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