Capacitance Formula
We know that the capacity of any material to hold electric energy in the form of an electric charge is called capacitance. And we can compute the capacitance of any object by taking the ratio of the charge a conductor holds and the potential difference across the conductor. We know that the charge held by a capacitor is directly proportional to the voltage across the end of the capacitor, i.e.
Q ∝ V
Removing the sign of proportionality, and adding C as the constant of proportionality
Q = CV
C = Q / V…(i)
Here, this constant of proportionality is called the Capacitance of the Capacitor. Equation 1 is the required formula for calculating the capacitance of the capacitor and we can say that the capacitance of any capacitor is the ratio of the charge stored by the conductor to the voltage across the conductor.
Another formula for calculating the capacitance of a capacitor is,
C = εA / d
where
C is the Capacitance of the Capacitor
ε is the Permittivity of the medium Between the Plates
A is the Area of the Plates
d is the distance Between the Plates
Capacitance
Capacitance is defined as the capacity of any material to store electric charge. The substance that stores the electric charge is called a capacitor, i.e. the ability of the capacitor to hold the electric charge is called capacitance. It is denoted with the symbol C and is defined as the ratio of the electric charge stored inside a capacitor by the voltage applied.
Thus, any material that has a tendency to store electric charge is called a capacitor and the ability of the material to hold electric charge is called the capacitance of the material. In this article, we will learn about capacitance, its formula, capacitor, and others in detail.
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