8. Capacitance.md

2024-4-11|2024-4-12
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Capacitance
  1. Dictation/Definition: Define capacitance in the context of an isolated spherical conductor and a parallel plate capacitor.  Answer:
  1. Formula Recall: What is the formula that relates charge (Q), potential difference (V), and capacitance (C)?  Answer:
  1. Derivation: Using the formula , derive the formula for the combined capacitance of capacitors in series.  Answer:
  1. Application: How do you derive the capacitance formulae for capacitors in parallel?  Answer:
Energy Stored in a Capacitor
  1. Conceptual Understanding: How can you determine the electric potential energy stored in a capacitor from the potential–charge graph?  Answer:
  1. Formula Recall: What is the formula for the energy (W) stored in a capacitor in terms of charge (Q) and voltage (V)?  Answer:
  1. Alternate Formula: What is the alternate formula for the energy stored in a capacitor in terms of capacitance (C) and voltage (V)?  Answer:
Discharging a Capacitor
  1. Graph Analysis: What does the graph of potential difference against time look like for a capacitor discharging through a resistor?  Answer:
  1. Time Constant: What is the time constant (τ) for a capacitor discharging through a resistor, and how is it calculated?  Answer:
  1. Discharge Equations: Write the general form of the equation for a quantity x (which could be current, charge, or potential difference) as it changes over time during the discharge of a capacitor through a resistor.  Answer:
Physics
9. Magnetic Fields A.md8. Capacitance A.md
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