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MHT CET202014 Oct 2020Evening ShiftPhysicsMechanical Properties of SolidsActual

A copper wire of length L ' and diameter ^ ' is to be reshaped into another wire so as to have minimum resistance. For this we should

Options

  1. Aincrease L and decrease D .
  2. Bdecrease L and increase D .
  3. Cdecrease both L and D .
  4. Dincrease both L and D .

Correct answer

B. decrease L and increase D .

Step-by-step solution

Decrease L and increase D

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