A Conducting Sphere of Radius 20 Cm Has a Charge

question 30

Multiple Choice

A conducting sphere of radius 20 cm has a charge Q placed on it producing a field of magnitude E₀ at its surface. More charge is added to the surface until the magnitude of the field at the surface is 2 E₀. How much charge was added to the surface?

• A) Q/2
• B) Q
• C) 2 Q
• D) 1.4 Q
• E) 3 Q

---

Definitions:

Worker Movements

Collective initiatives by employees aimed at achieving better working conditions, rights, and benefits through organizing and advocacy.

Efficiency

The ability to accomplish a task or a goal with the least waste of time and effort; the competency in performance.

Braverman

Refers to Harry Braverman, an American Marxist, noted for his work on labor and monopoly capital, particularly for his theory on the degradation of work.

Passive Victims

Individuals or groups that suffer from a harm or injustice without taking active steps to resist or prevent it.