Two square metal plates are of same thickness and material. The side of B is twice that of A. Thses are connected in series, figure. If the resistance of A and B are denoted by `R_(A)` and `R_(B)` , find `R_(A)//R_(B)`.

Two square metal paltes are of same thichness and material. The side of B is twice that of A. Thses are connected in series, figure. If the resistance of A and B are denoted by R_(A) and R_(B) , find R_(A)//R_(B) .

Two square metal plates A and B are of same thickness and material. The side of B is twice that of A. These are connected in series, as shown in Fi. 4.3. Find the ratio R_(A)//R_(B) of the resistance of the two plates.

A and B are two square plates of same metal and same thickness but length of B is twice that of A . Ratio of resistances of A and B is

Two conducting wires A and B are made of same material. If the length of B is twice that of A and the radius of circular cross-section of A is twice that of B, then resistances R_(A)" and "R_(B) are in the ratio

The resistance 4R,16R,64R.... oo are connected in series. Find their equivalent resistance.

Thirteen resistances each of resistance R ohm are connected in the circuit as shown in the figure below. The effecitve resistance between A and B is

An infinite sequence of resistance is shown in the figure. The resultant between A and B will be, when R_(1) = ohm and R_(2) = 2 ohm

In the following diagram two parallelopiped A and B are of the same thickness. The arm of B is double that of A. Compare these resistances and find out the value of R_A//R_B is

Two wires A and B made of same material and having their lengths in the ratio 6:1 are connected in series The potential difference ascross the wire 3V and 2V respectively. If r_A and r_B are the radii of A and B respectively, then r_B/r_A is

Find equivalent resistance between points A and B in the figure. Each resistance is R.