Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 1 A
 23.33 A
 5 A
 3.33 A

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Electric Circuits
Pure metal generally have

  high conductivity and low temperature coefficient.
  low conductivity and zero temperature coefficient.
  low conductivity and high temperature coefficient.
  high conductivity and large temperature coefficient.

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