Deduce the expression for the equivalent resistance of the parallel combination of two resistances,`R_1` and `R_2`.

Find the equivalent resistance across AB :

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 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.

Find the absolute error in the parallel combination of R_(1) and R_(2)

What will be the equivalent resistance of the following circuit?

When a battery is connected across a parallel combination of two unequal resistances.

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

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

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