Q6ANS

 

Answer

                                                   Length

Actual Resistance R = ρ ×  --------------

                                                   Area

 

But length and cross section area is not specified

 Actually length is the dimension along the direction of current and area is across the direction of current.

 Therefore there are three possibilities depending upon the direction of the current as under.

 

                                                            Y

    Actual Resistance R = ρ ×   ----------

                                                        X  × Z

 

 

 

 

                                                            X

   Actual Resistance R = ρ ×   ----------

                                                       Y  × Z

 

 

 

                                                          Z

  Actual Resistance R = ρ ×   ----------

                                                      X  × Y