If the charge on a capacitor doubles how does its capacitance change?

In summary, the capacitance of a capacitor remains constant regardless of the charge on it. Increasing the charge on a capacitor does not affect its capacitance, as it is a constant property. The capacitance is determined by the distance between the plates, surface area of the plates, and dielectric material used. A higher capacitance allows for better performance in terms of charge storage and delivery. The capacitance of a capacitor can be changed by altering the physical properties, but not by simply changing the charge on it.
  • #1
michaelw
80
0
Does it double or stay the same?
 
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  • #2
The capacitance depends only on the geometrical configuration of your conductors (capacitors). It doesn't matter HOW much charge you put there, the capacitance remains the same.
 
  • #3
Q=CV

Capacitance depends on 'area and length' of the capacitor , the charge on it won't change the capacitance but would change the potential difference on the plate.
 
  • #4
I can't believe i could have written such crap. :I must be having a miserable day.:yuck:

Daniel.
 

1. How does the capacitance of a capacitor change if its charge doubles?

The capacitance of a capacitor remains constant regardless of the charge on it. This is because the capacitance is a measure of the capacitor's ability to store charge, and does not depend on the actual charge present on the capacitor. Therefore, doubling the charge on a capacitor will not change its capacitance.

2. Does increasing the charge on a capacitor affect its capacitance?

No, increasing the charge on a capacitor does not affect its capacitance. As mentioned before, the capacitance is a constant property of a capacitor and is not affected by changes in charge.

3. What factors affect the capacitance of a capacitor?

The capacitance of a capacitor is affected by three main factors: the distance between the plates, the surface area of the plates, and the dielectric material between the plates. Increasing the distance between the plates decreases capacitance, while increasing the surface area and using a higher dielectric constant material increases capacitance.

4. How does the capacitance of a capacitor affect its performance?

The capacitance of a capacitor determines its ability to store charge and is a crucial factor in its performance. A higher capacitance means the capacitor can store more charge and deliver it at a faster rate, making it useful for applications such as power supply and filtering circuits.

5. Can the capacitance of a capacitor be changed?

Yes, the capacitance of a capacitor can be changed by altering the physical properties that affect it. For example, the distance between the plates can be adjusted, or a different dielectric material can be used to change the capacitance. However, the capacitance is a constant property of a capacitor and cannot be changed by simply altering the charge on it.

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