Which of the following descriptions best describes the electrical field strength…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Which of the following descriptions best describes the electrical field strength inside a hollow sphere?
(1) The electrical field strength is zero everywhere inside.
(2) The electric field strength is proportional to the radial distance from the centre of the sphere.
(3) The electrical field strength is a non-zero constant everywhere inside the sphere.
(4) The electrical field strength is inversely proportional to the square of the distance from the centre of the sphere.