Calculate the capacitance of a capacitor if it stores a charge of $2.0\mathrm{C}$ when there is a potential difference of $5000 \mathrm{V}$ across its plates.

Given a $5000\mu \mathrm{F}$ capacitor has a p.d. of $24 \mathrm{V}$ across its plates.Calculate the energy stored on the capacitor.

Given a $5000\mu \mathrm{F}$ capacitor has a p.d. of $24 \mathrm{V}$ across its plates.The capacitor is briefly connected across a bulb and half the charge flows off the capacitor. Calculate the energy dissipated in the lamp.

A $4700\mu \mathrm{F}$ capacitor has a p.d. of $12 \mathrm{V}$ across its terminals. Calculate the charge stored on the capacitor.

A $4700\mu \mathrm{F}$ capacitor has a p.d. of $12 \mathrm{V}$ across its terminals. Calculate the energy stored in the capacitor.

A $4700\mu \mathrm{F}$ capacitor has a p.d. of $12 \mathrm{V}$ across its terminals. It is connected to a resistor and the charge leaks away through the resistor in $2.5 \mathrm{s}$.Estimate the average current through the resistor.

A $4700\mu \mathrm{F}$ capacitor has a p.d. of $12 \mathrm{V}$ across its terminals. It is connected to a resistor and the charge leaks away through the resistor in $2.5 \mathrm{s}$. Estimate the resistance of the resistor.