Capacitance and voltage relationship

In summary, capacitance and voltage have a direct relationship where an increase in voltage leads to an increase in capacitance and a decrease in voltage leads to a decrease in capacitance. The formula for calculating capacitance is C = Q/V, where C is measured in farads (F), Q is measured in coulombs (C), and V is measured in volts (V). The distance between two charged plates affects capacitance inversely, meaning that as the distance increases, capacitance decreases and vice versa. Capacitance can change with varying voltage due to the direct relationship between charge and voltage. Capacitance also plays a crucial role in the storage and discharge of electrical energy, where a higher capacitance allows for more energy to be
  • #1
matangi7
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Does an increase in Capacitance mean a decrease in voltage?
Thanks!
 
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  • #2
in series^
 
  • #3
matangi7 said:
in series^
If the charge on the capacitor doesn't change the voltage will decrease. (V = Q/C). If it does change it depends on the circuit and what you do to it.
 
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  • #4
matangi7 said:
Does an increase in Capacitance mean a decrease in voltage?
Thanks!

Even adding that they are in series isn't enough information.

You could mean:

The safe working voltage
The voltage drop through them
The voltage between the ends and ground
or??
 

Related to Capacitance and voltage relationship

1. How are capacitance and voltage related?

Capacitance and voltage are directly proportional to each other. This means that as the voltage increases, the capacitance also increases. Similarly, as the voltage decreases, the capacitance decreases.

2. What is the formula for calculating capacitance?

The formula for calculating capacitance is C = Q/V, where C is the capacitance in farads (F), Q is the charge in coulombs (C), and V is the voltage in volts (V).

3. How does the distance between two charged plates affect capacitance?

The distance between two charged plates affects capacitance inversely. This means that as the distance between the plates increases, the capacitance decreases, and vice versa.

4. Can capacitance change with varying voltage?

Yes, capacitance can change with varying voltage. This is because the amount of charge (Q) stored in a capacitor is directly proportional to the voltage (V). Therefore, as the voltage changes, the charge and capacitance also change.

5. How does capacitance affect the storage and discharge of electrical energy?

Capacitance plays a crucial role in the storage and discharge of electrical energy. A higher capacitance allows for a larger amount of charge to be stored, meaning more energy can be stored. Additionally, a lower capacitance allows for faster discharge of energy.

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