Electrostatics

MM

Mashaal Masha

Oct 15, 2022

Choose the correct options for the following questions.

Unit of $\rm{CV^{2}}$ is equivalent to that of?

Difficulty: Easy

A:

Energy

B:

Work

C:

Power

D:

None

Two identical conducting spheres A and B carry equal charge Q. They are separated by a distance much larger than their diameters. A third identical conducting sphere C carries charge 2Q. Sphere C is first touched to A, then to B, and finally removed. As a result, the electrostatic force between A and B, which was originally F, becomes

Difficulty: Easy

A:

\rm{\frac{F}{2}}

B:

\rm{\frac{15F}{8}}

C:

\rm{\frac{5F}{7}}

D:

\rm{\frac{2F}{5}}

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