10 C of Charge Are Placed on a Spherical Conducting

question 34

Multiple Choice

10 C of charge are placed on a spherical conducting shell. A particle with a charge of -3C is placed at the center of the cavity. The net charge in coulombs on the outer surface of the shell is:

• A) -7
• B) -3
• C) 0
• D) +3
• E) +7

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Definitions:

Hyperopia

A vision condition where distant objects are seen more clearly than near objects because the eyeball is too short or the lens cannot become round enough.

Farsightedness

A common vision condition where distant objects can be seen clearly, but close ones do not come into proper focus.

Convex Lens

A lens that converges light rays to a point, having a curved shape that is thicker in the middle than at the edges, used to correct farsightedness.

Visual Acuity

The clarity or sharpness of vision, measured as the capability to identify letters or numbers at a standardized distance.