Home
Class 12
PHYSICS
Consider a thin square sheet of side L a...

Consider a thin square sheet of side L and thicknest, made of a material of resistivity `rho`. The resistance between two opposite faces, shown by the shaded areas in the figure is

A

directly proportional to L

B

directly proportional to t

C

independent of L

D

independent of t

Text Solution

Verified by Experts

The correct Answer is:
C

c. We see that `R = (rhoL)/(Lt)` .
Promotional Banner

Similar Questions

Explore conceptually related problems

A wire of resistance 20 Omega is bent to form a complete circle. The resistance between two diametrically opposite points A and B as shown in the figure, is

A wire has linear resistance rho ("in" Omega m^(-1)) . Find the resistance R between points A and B if the side of the big square is d.

A wire of resistance 12 Omega m^(-1) is bent to from a complete circle of radius 10 cm . The resistance between its two diametrically opposite points, A and B as shown in the figure, is

A wire of resistance 12 Omega m^(-1) is bent to from a complete circle of radius 10 cm . The resistance between its two diametrically opposite points, A and B as shown in the figure, is

Consider a wire of length l, area of cross section A, and resistivity rho with resistance 10 Omega . Its length is increased by applying a force, and it becomes four times of its original value. Find the changed resistance of the wire.

A jar filled with two non-mixing liquid 1 and 2 having densities rho_(1) and rho_(2) respectively. A solid ball, made of a material of density rho_(3) is dropped in the jar. It come to equilibrium in the position shown in the figure. Which of the following is true for rho_(1),rho_(2) and rho_(3) ?

The inductance L of a solenoid of length l , whose windings are made of material of density D and resistivity rho , is (the winding resistance is R )

Figure 5.260 shows two square, X and Y cut from a sheet of metal of uniform thickness t. X and Y have sides of length L and 2L, respectively. The resistances R_x and R_y of the squares are measured between the opposite faces shaded in fig. What is the value of R_x//R_y?

The resistance of all the wires between any two adjacent dots is R . Then, equivalent resistance between A and B as shown in figure is

A wire of resistance (3Omega) per meter is bent to from a regular hexagon of side 2 m. The resistance between points A and B as shown in figure is