v=q/cphyzguy said:
Negative or positive with respect to what?Suyash Singh said:
yes it was asked in All India CBSE board 2013.CWatters said:
the ground is taken at zero potential in our syllabus.cnh1995 said:
The potential difference across a capacitor in a network is the difference in electric potential between the positive and negative plates of the capacitor. This potential difference is created by the accumulation of electric charge on the plates, which creates an electric field between them.
The potential difference across a capacitor can be calculated using the formula V = Q/C, where V is the potential difference, Q is the charge on the capacitor, and C is the capacitance of the capacitor. This formula is known as the capacitor equation.
The potential difference across a capacitor is affected by the amount of charge stored on the plates, the distance between the plates, and the material and shape of the plates. Additionally, the potential difference can also be affected by the presence of other components in the network, such as resistors or inductors.
In a DC circuit, the potential difference across a capacitor remains constant as long as the voltage source remains constant. However, in an AC circuit, the potential difference across a capacitor changes over time as the capacitor charges and discharges in response to the alternating current.
The potential difference across a capacitor is an important aspect of circuit analysis as it affects the flow of current through the network. It is also a key element in the functioning of electronic devices, as capacitors are used in various applications such as energy storage, filtering, and signal processing.