A Nonconducting Sphere of Radius 10 Cm Is Charged Uniformly

question 39

Multiple Choice

A nonconducting sphere of radius 10 cm is charged uniformly with a density of 100 nC/m³. What is the magnitude of the potential difference between the center and a point 4.0 cm away?

• A) 12 V
• B) 6.8 V
• C) 3.0 V
• D) 4.7 V
• E) 2.2 V

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Definitions:

Sterile Technique

A set of specific practices and procedures in medical settings aimed at eliminating all microorganisms from an object or area to prevent infection.

Tracheostomy Care

The maintenance and care procedures for a tracheostomy, which includes cleaning and changing the tracheostomy tube and monitoring for complications.

Acute Care Setting

A branch of secondary health care where a patient receives active but short-term treatment for a severe injury or episode of illness, an urgent medical condition, or during recovery from surgery.

Clean Technique

A method used to prevent contamination and reduce the spread of pathogens, mainly through thorough handwashing and the use of sterile gloves.