A White Dwarf Has a Temperature 10 Times That of the Sun,but

question 68

Multiple Choice

A white dwarf has a temperature 10 times that of the Sun,but it has a radius 1,000 times smaller than the Sun.What is its luminosity?

• A) 10 solar luminosities
• B) 0.1 solar luminosities
• C) 0.01 solar luminosities
• D) 10-4 solar luminosities

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Definitions:

CCA Class

It stands for Capital Cost Allowance Class, a categorization in tax systems for different types of depreciable properties to determine the depreciation rate for tax purposes.

Net Advantage to Leasing

A calculation used to assess the financial benefits of leasing equipment versus purchasing it outright.

After-Tax Discount Rate

The discount rate that has been adjusted to reflect the net of tax status, used in calculating the present value of future cash flows after taxes.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life uniformly.