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Questions and Answers
What is the relationship between charge and time in a discharging capacitor?
What is the relationship between charge and time in a discharging capacitor?
- Sinusoidal
- Logarithmic
- Linear
- Exponential decay (correct)
Why does the equation for discharging a capacitor have a negative sign?
Why does the equation for discharging a capacitor have a negative sign?
- Due to an error in calculation
- Because conventional current is in the opposite direction to electron flow (correct)
- To make it more complex
- To confuse students
What is the relationship between voltage and time in a discharging capacitor?
What is the relationship between voltage and time in a discharging capacitor?
- Linear
- Spiral
- Cyclical
- Exponential growth (correct)
In the discharging process, what does 𝑄𝑄0 represent?
In the discharging process, what does 𝑄𝑄0 represent?
Which law states that at any time during charging a capacitor, the emf will be equal to the sum of potential differences across the resistor and the capacitor?
Which law states that at any time during charging a capacitor, the emf will be equal to the sum of potential differences across the resistor and the capacitor?
What is the result of integrating when separating variables to find the relationship between charge and time in a discharging capacitor?
What is the result of integrating when separating variables to find the relationship between charge and time in a discharging capacitor?
What is meant by the term 'exponential decay' in discharging capacitors?
What is meant by the term 'exponential decay' in discharging capacitors?
What does $I_0$ represent in the equation for current during discharging?
What does $I_0$ represent in the equation for current during discharging?
What happens to the potential difference across a capacitor with respect to time during charging?
What happens to the potential difference across a capacitor with respect to time during charging?
What does ln in the equation for charge with respect to time represent?
What does ln in the equation for charge with respect to time represent?
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