Use the Formula $R _ { t } = \frac { R _ { 1 } R _ { 2 } } { R _ { 1 } + R _ { 2 } }$

question 30

Multiple Choice

Use the formula $R _ { t } = \frac { R _ { 1 } R _ { 2 } } { R _ { 1 } + R _ { 2 } }$ to find the total resistance $\left( R _ { t } \right)$ if one resistance $\left( R _ { 1 } \right)$ is 15 ohms and the second resistance $\left( R _ { 2 } \right)$ is 10 ohms.

• A)0.17 ohms
• B)5 ohms
• C)6 ohms
• D)1 ohms

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Definitions:

Return on Assets

A financial ratio indicating how profitable a company is relative to its total assets, used to assess how efficiently a company uses its assets to generate earnings.

Total Equity

The total net value of a company, calculated as total assets minus total liabilities, representing ownership value in the company.

Tax Rate

The specific percentage of revenue taxed by the government from both businesses and private individuals.

Market Value

The current price at which an asset or company can be bought or sold in the market.