The equivalent resistances of two resistances in parallel combination is one-fourth of their equivalent resistance in series combination.If one of the resistance is `10 Omega` then find the other.

The equivalent resistance in series combination is

The equivalent resistance in series combination is :

Derive the formula of equivalent resistance of series combination of resistors.

Derive the formula of equivalent resistance of series combination of resistors.

The equivalent resistance of the parallel combination is:

What is the ratio of equivalent resistance of series combination of n equal resistance to the equivalent resistance in parallel combination of these n resistances ?

The equivalent resistance of two resistances in series is four times the equivalent resistance when they are in parallel. If one of the resistances is R, then what would be the resistance of the other?

The equivalent resistance between point A and B for the combination of resistance