Charge on Conductors: a Hollow Conducting Spherical Shell Has Radii

question 39

Multiple Choice

Charge on conductors: A hollow conducting spherical shell has radii of 0.80 m and 1.20 m, as shown in the figure. The sphere carries a net excess charge of -500 nC. A point charge of +300 nC is present at the center. (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C) The radial component of the electric field at a point that is 0.60 m from the center is closest to

• A) zero.
• B) +5000 N/C.
• C) +7500 N/C.
• D) -5000 N/C.
• E) -7500 N/C.

Calculate and understand the impact of economic profits and losses on business decisions.

Identify and calculate break-even points for businesses.

Understand the role of market entry and exit decisions in profit maximization.

Interpret scenarios to determine business revenue, costs, and profit/loss.

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