Which of the following is equal to 2πε02\pi\varepsilon_02πε0?
The electric potential at a distance of 2.0 m2.0\text{ m}2.0 m from a point charge of 1.0 C1.0\text{ C}1.0 C in a vacuum.
The electrostatic force between two point charges of 2.0 C2.0\text{ C}2.0 C each separated by a distance of 2.0 m2.0\text{ m}2.0 m in a vacuum.
The capacitance of an isolated conducting sphere of radius 0.50 m0.50\text{ m}0.50 m in a vacuum.
The electric field strength at a distance of 1.0 m1.0\text{ m}1.0 m from a point charge of 2.0 C2.0\text{ C}2.0 C in a vacuum.
63 exam-style questions on AQA A Level Physics Capacitance (A-level only), covering Capacitance (A-level only), Parallel plate capacitor (A-level only), Energy stored by a capacitor (A-level only), and Capacitor charge and discharge (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.