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  • Consider a thin rectangular sheet with sides of length L, breadth b, and thickness a. The resistance between two opposite faces is shown in the figure by the shaded region. <img alt="" sr

Consider a thin rectangular sheet with sides of length L, breadth b, and thickness a. The resistance between two opposite faces is shown in the figure by the shaded region.

Option: 1

Directly proportional to L


Option: 2

Inversely proportional to L


Option: 3

Independent of L


Option: 4

Independent of t


Answers (1)

best_answer

\begin{aligned} & R=\frac{\rho L}{A} . \\ & \text { Area }=b \times t . \end{aligned}

So,

R=\frac{\rho L}{b \times t} .

Posted by

mansi

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