Two identical slabs, of a given metal are joined together in two different ways, as shown in figure (i) and (ii). What is the ratio of the resistance of these two combinations?

What is thermal resistance of two rods placed in series ?

Three identical resistors are first connected in series and then in parallel find the ratio of the equivalent resistance in two cases ​

Two metallic wires A and B of same material are connected in parallel. Wire A has length l and radius r and wire B has length 2l. Calculate the ratio of the total resistance of parallel combination and the resistance of wire A?

Give two different examples of pair of (i) similar figures (ii) non-similar figures.

Two uiform identical rods AB and CD each of mass M and length L are joined to form a cross as a shown in fig.find the moment of inertia of the cross about a bisector as shown dotted in the figure. .

Give two different examples of pair of ,- similar figures.

Name two different ways in which glucose is oxidised to provide energy.

The difference between two whole numbers is 66. The ratio of the two numbers is 2 : 5. What are the two numbers?