Capacitor Transfer - % Charge Transferred Explained

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In summary, the conversation discusses the transfer of charge between two capacitors, c1 and c2, in a parallel circuit. C1 is initially fully charged and connected to a .4V battery, while c2 is uncharged. Once c2 is joined to c1, it can receive a charge from c1. The equation Q=CV is used to calculate the charge, with a value of 2 X 10^-8 for c1. The question is then posed about the percentage of charge transferred from c1 to c2, which is determined to be 70% instead of 100%. The individual is asked to show their calculations and thought process before receiving help.
  • #1
jagguy
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Homework Statement


Hi,

I have 2 capacitors c1, c2

c1=.05 uF
c2=.1 uF

Q=CV

c1 is fully charged and connected to a .4V battery in a parallel circuit
c2 is uncharged

c2 was unconnected initially to c1 but once joined c2 can receive a charge from c1.

charge on C1=2 X 10^-8

what is the % charge transferred from c1 to c2 once joined in the circuit

Homework Equations


Q=CV

The Attempt at a Solution



I thought the answer is 100% but it is 70%.

I don't get it?
 
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  • #2
You'll need to make a genuine attempt before help can be given. Show some calculations and describe your thought process.
 

1. What is a capacitor transfer?

A capacitor transfer is the process of moving electrical charge from one capacitor to another.

2. How does a capacitor transfer work?

A capacitor transfer works by utilizing the principles of capacitance, which is the ability of a capacitor to store electrical charge. When a capacitor is connected to a power source, it stores electrical charge on its plates. When the capacitor is then connected to another capacitor, the stored charge is transferred from one capacitor to the other.

3. What is % charge transferred?

% charge transferred is a measure of the amount of electrical charge that is moved from one capacitor to another during a capacitor transfer. It is calculated by dividing the charge transferred by the total charge of the initial capacitor and multiplying by 100%.

4. How is % charge transferred determined?

% charge transferred is determined by measuring the initial charge of the first capacitor (Q1) and the final charge of the second capacitor (Q2). The % charge transferred can then be calculated using the formula: % charge transferred = (Q2 / Q1) * 100%.

5. What factors affect the % charge transferred in a capacitor transfer?

The % charge transferred can be affected by several factors, including the capacitance of the capacitors involved, the voltage of the power source, and the resistance in the circuit. Higher capacitance and voltage can result in a higher % charge transferred, while higher resistance can decrease the % charge transferred.

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