A Conducting Sphere of Radius 20 Cm Is Charged So

question 80

Multiple Choice

A conducting sphere of radius 20 cm is charged so that the electric field reaches 3.0 × 10⁵ V/m at its surface. What is the potential at the surface of the sphere?

• A) 3.0 × 10⁴ V
• B) 1.5 × 10⁴ V
• C) 4.5 × 10⁴ V
• D) 6.0 × 10⁴ V
• E) 2.7 × 10⁵ V

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