An isolated spherical conductor has a radius RRR. The electric potential at its surface is VVV due to its charge. What is the magnitude of the electric field strength EEE at the surface of the conductor?
VRV RVR
VR\frac{V}{R}RV
VR2\frac{V}{R^2}R2V
VR2V R^2VR2
48 exam-style questions on AQA A Level Physics Electric fields (A-level only), covering Coulomb's law (A-level only), Electric field strength (A-level only), and Electric potential (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.