124.Two conducting spheres with the same charge are separated by an infinite distance
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
124.Two conducting spheres with the same charge Q are separated by an infinite distance. Sphere A has a radius of 10 cm while sphere B has a radius of 20 cm . At what distance from the centers of the spheres would the magnitude of the electric field be the same?
(A) 15 cm from A and 15 cm from B
(B) 30 cm from A and 40 cm from B
(C) 20 cm from A and 40 cm from B
(D) 40 cm from A and 40 cm from B