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# Equivalent Capacitance Between A and B

## What is Equivalent Capacitance?

Equivalent capacitance is a term used in physics to describe the electrical property of a capacitor. It is a measure of the total amount of charge that can be stored on a capacitor. It is related to the capacitance of the individual capacitors and their equivalent series resistance (ESR).

## What is the Relationship Between A and B?

The relationship between A and B is that when two or more capacitors are connected in series, the equivalent capacitance between A and B is equal to the sum of the individual capacitances. This is because the capacitive reactance of each of the capacitors is added together to form the total capacitance. The equivalent capacitance between A and B can be determined by adding the individual capacitances of the capacitors.

## What is the Effect of Series Resistance on Equivalent Capacitance?

Series resistance is a measure of the resistance of the individual capacitors in the series circuit. When the resistance of the individual capacitors is high, the equivalent capacitance between A and B is lower than it would be if the resistance was low. This is because the capacitive reactance of the capacitors is reduced when the resistance is higher.

## What is the Effect of Frequency on Equivalent Capacitance?

The frequency of the applied voltage has an effect on the equivalent capacitance between A and B. The higher the frequency, the lower the equivalent capacitance. This is because the capacitive reactance of the capacitors is increased when the frequency is increased.

## Conclusion

Equivalent capacitance between A and B is an important concept in physics and electrical engineering. It is related to the capacitance of the individual capacitors and their equivalent series resistance (ESR). The relationship between A and B is that when two or more capacitors are connected in series, the equivalent capacitance between A and B is equal to the sum of the individual capacitances. The effect of series resistance and frequency on equivalent capacitance should also be considered.