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[20 points] A single isolated point charge is carrying a charge q = 1 [nc]. As shown in the figure, two equipotential surfaces consist of two spheres centered on the -Sphere2 point charge: • Sphere 1 of radius r₁ = 2 [m]. • Sphere 2 of radius r₂ > ₁ where ₂ is unknown. 1) [5 points] Find V₁, the electric potential on the surface of Sphere 1. V₁ = [V] 2) [10 points] If Sphere 2 is separated from Sphere 1 by a difference of potential AV = 3.3 [V]. q Sphere1 Write an optional reasoning for your answer: 1 A BI Fr 1 Find 12, the radius of Sphere 2 (Type the detailed solution to this question in the below box, Show all your calculation steps by typing in the box). 3) [5 points] Find the work required to bring an electron (qe = -1.6 × 10-¹⁹) [C] from Sphere 2 to Sphere I considering that AV = 3.3 [V]. w = [J]