Conductance Formula

The conductance of any material is defined as its ability to allow the charge. It is actually a reciprocal of resistance and can be mathematically expressed in the equation as:

G = 1/R

Where

G = conductance

R = resistance

Unit of conductance is Siemens and is usually represented by S. Sometimes upside down ohms (℧ or mho) is also used.

Example: Determine the conductance of 100 Ω resistor.

Solution: G = 1/100 Ω = 0.01 S

Example: Find the conductance of 1 kΩ resistance.

Solution: G = 1/1 kΩ = 1 mS

Example: The resistance of a certain material is halved, what happens to conductance.

It doubles.

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