A wire of length L,cross sectional area A and resistance R is now drawn out by pulling such that its new resistance is 25R.What is its new cross sectional area? (Assume the density remains constant.) A)1.00 $\times$ 10^-1 A B)6.67 $\times$ 10^-1 A C)4.00 $\times$ 10^-1 A D)2.50 $\times$ 10^-1 A E)2.00 $\times$ 10^-1 A

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The Answer of A wire of length L,cross sectional area A and resistance R is now drawn out by pulling such that its new resistance is 25R.What is its new cross sectional area? (Assume the density remains constant.) A)1.00 $\times$ 10^-1 A B)6.67 $\times$ 10^-1 A C)4.00 $\times$ 10^-1 A D)2.50 $\times$ 10^-1 A E)2.00 $\times$ 10^-1 A

A Wire of Length L,cross Sectional Area a and Resistance ×\times×

A Wire of Length L,cross Sectional Area a and Resistance $\times$