Two Conducting Spheres Have Radii of R₁ and R₂ with R₁

question 4

Multiple Choice

Two conducting spheres have radii of R₁ and R₂ with R₁ greater than R₂. If they are far apart the capacitance is proportional to:

• A) R₁R₂/(R₁ - R₂)
• C) (R₁ - R₂)/R₁R₂
• E) none of these

---

Definitions:

Flexible Exchange Rates

A currency system where the value of a currency in relation to others is determined by the foreign exchange market without direct government control.

Inflation

The rate at which the general level of prices for goods and services is rising, and, subsequently, purchasing power is falling. Central banks attempt to limit inflation, and avoid deflation, in order to keep the economy running smoothly.

Unemployment

The situation when individuals who are capable of working and willing to work cannot find employment.

Balance of Payments

A comprehensive record of all economic transactions between residents of a country and the rest of the world during a specific period.