There are two charges → Q1 = +q and charge Q2 = +2q. From the initial point (Q), Q1 is at a distance of r and Q2 is at a distance 2r. Which charge (Q1 or Q2) will have higher electrostatic potential energy?

The information given is not enough to determine

Two isolated metallic spheres, one with a radius R and another with a radius 5R, each carries a charge ‘q’ uniformly distributed over the entire surface. Which sphere stores more electric potential energy?

Both of the spheres will have the same energy

Initially it will be the sphere with radius 5R then it will shift to the sphere with radius R

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1.	There are two charges → Q1 = +q and charge Q2 = +2q. From the initial point (Q), Q1 is at a distance of r and Q2 is at a distance 2r. Which charge (Q1 or Q2) will have higher electrostatic potential energy?
A.	Q1
B.	Both will have the same energy
C.	Q2
D.	The information given is not enough to determine
Answer» C. Q2

Discussion

2.	Two isolated metallic spheres, one with a radius R and another with a radius 5R, each carries a charge ‘q’ uniformly distributed over the entire surface. Which sphere stores more electric potential energy?
A.	The sphere with radius 5R
B.	Both of the spheres will have the same energy
C.	The sphere with radius R
D.	Initially it will be the sphere with radius 5R then it will shift to the sphere with radius R
Answer» D. Initially it will be the sphere with radius 5R then it will shift to the sphere with radius R

Discussion