For Year-Round Use, Collectors Can Be Tilted to Maximize Winter

question 4

Multiple Choice

For year-round use, collectors can be tilted to maximize winter absorption (typically at an angle equal to the latitude plus _____) .​

• A) ​10°
• B) ​15°
• C) ​20°
• D) ​23.5°

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Definitions:

Duration Concept

A measure of the sensitivity of a bond's price to changes in interest rates, gauging how much a bond's price will change for a given fluctuation in rates.

Price Volatility

The degree of variation in the price of a financial instrument, commodity, or market index over time, often measured by the standard deviation of returns.

Convexity

This is a measure of the curvature or the degree of the curve in the relationship between bond prices and bond yields, indicating how the duration of a bond changes as the interest rate changes.

Bond Price

The amount of money an investor pays to purchase a bond and can fluctuate based on interest rates, credit quality, and other factors.