David Sang and Graham Jones Solutions for Chapter: Capacitance, Exercise 12: Question

A $400\mu \mathrm{F}$ capacitor is charged using a $20 \mathrm{V}$ battery. It is connected across the ends of a $600\Omega$ resistor with $20 \mathrm{V}$ potential difference across its plates.Calculate the charge stored on the capacitor.

A $400\mu \mathrm{F}$, capacitor is charged using a $20 \mathrm{V}$, battery. It is connected across the ends of a $600\Omega$, resistor with $20 \mathrm{V}$,potential difference across its plates.

Calculate the time constant for the discharging circuit.

A $400\mu \mathrm{F}$ capacitor is charged using a $20 \mathrm{V}$ battery. It is connected across the ends of a $600\Omega$ resistor with $20 \mathrm{V}$ potential difference across its plates.

(c) Calculate the time it takes the charge on the capacitor to fall to $2.0\mathrm{mC}$.

A $400\mu \mathrm{F}$ capacitor is charged using a $20 \mathrm{V}$ battery. It is connected across the ends of a $600\Omega$ resistor with $20 \mathrm{V}$ potential difference across its plates.

(d) State the potential difference across the plates when the charge has fallen to $2.0\mathrm{mC}$.