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

The equivalent resistance of a series combination of two resistors is '9 Omega' and the equivalent resistance of a parallel combination of the same two resistors is 2 Omega . Find the resistances of the resistors.

The equivalent resistance (R_s) of a series combination of resistors is given by 1/R_s = 1/R_1 + 1/R_2 + …………. .

Obtain the expression for the equivalent resistance for 3 resistors connected in parallel and also write the expression of equivalent resistance for connection of' n' resistors.

What is series connection of resistors ?

State the characteristics of the series combination of resistors.

For three resistors of different value connected in series obtain equation of equivalent resistance. From this write equation of n resistors connected in series.

Derive the equation of equivalent resistance of resistors connected in parallel.

Derive the equation of equivalent resistance of resistors connected in parallel.

State the advantages / merits of a series combination of resistors.

State the advantages // merits of a series combination of resistors.