A Conducting Sphere 45 Cm in Diameter Carries an Excess

question 52

Multiple Choice

A conducting sphere 45 cm in diameter carries an excess of charge,and no other charges are present.You measure the potential of the surface of this sphere and find it to be 14 kV relative to infinity.(k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²) The excess charge on this sphere is closest to

• A) 0.35 nC.
• B) 79 nC.
• C) 315 nC.
• D) 350 nC.
• E) 700 nC.

---

Definitions:

U.S. Sanitary Commission

A private relief agency founded in 1861 to support sick and wounded soldiers of the U.S. Army during the American Civil War, precursor to modern Red Cross activities.

Northern Women

Refers to women who lived in the Northern states of the United States, particularly during significant historical periods like the Civil War, noted for their roles in abolition and suffrage movements.

National Banking System

A system established to standardize currency and banking practices across the United States, originally created during the Civil War era.

Money Supply

The total amount of monetary assets available in an economy at a specific time, including cash, coins, and balances held in checking and savings accounts.