The Length of a Certain Wire Is Kept Same While

question 149

Multiple Choice

The length of a certain wire is kept same while its radius is doubled.What is the new resistivity of this wire?

• A)It is increased by a factor of 2.
• B)It is increased by a factor of 4.
• C)It is reduced by a factor of 2.
• D)It is reduced by a factor of 4.
• E)It does not change.

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Definitions:

Financial Leverage

Financial leverage refers to the use of borrowed funds to increase the potential return of an investment, amplifying both potential gains and losses.

ROE

Return on Equity, a financial ratio that measures the profitability of a firm relative to shareholders' equity, indicating how efficiently a company uses investments to generate earnings growth.

EPS

Earnings Per Share; a key financial metric that divides a company's profit by the outstanding shares of its common stock.

Equity

The value of an asset after deducting the value of liabilities, representing an owner's interest in a company or property.