Conductance:

The term "reciprocal" is sometimes used to mean "the opposite of." An opposite, or reciprocal, of resistance is known as conductance. As declared above, resistance is the opposition to current flow. Because conductance and resistance are opposites, conductance could be declared as the ability to conduct current. For instance, it will have low resistance if a wire has a high conductance and vice-versa. Conductance is found through taking the reciprocal of the resistance. The unit used to specify conductance is known as "mho," that is ohm spelled backwards. The symbol for "mho" is the Greek letter omega inverted ( ). The symbol for conductance when used in a formula is G. An Equation (1-5) is the mathematical representation of conductance obtained by relating the definition of conductance (1/R) to Ohm's Law, Equation (1-4).

G  = 1/RESISTANCE = I/E                          (1-5)

Example: what will its conductance (G) be in mhos if a resistor (R) has five ohms?

Solution:

G (or) = 1  / R  = 1   /5  =  0.2