Two Imaginary Spherical Surfaces of Radius R and 2R Respectively

question 80

Multiple Choice

Two imaginary spherical surfaces of radius R and 2R respectively surround a positive point charge Q located at the center of the concentric spheres.When compared to the number of field lines N₁ going through the sphere of radius R,the number of electric field lines N₂ going through the sphere of radius 2R is

• A) .
• B) .
• C)N₂ = N₁.
• D)N₂ = 2N₁.
• E)N₂ = 4N₁.