In One Episode of the 1960s Television Sitcom,Gilligan's Island,the Famous

question 158

Multiple Choice

In one episode of the 1960s television sitcom,Gilligan's Island,the famous "professor" constructed voltaic cells to use as substitutes for their radio's dead batteries.A single D-cell has an emf of 1.5 V.Which scraps of metal from their damaged boat,the Minnow,could best be used to create a 1.5 V voltaic cell? Assume that coconuts make great beakers and that seawater is a terrific electrolyte.

• A)silver anode and lead cathode
• B)aluminum anode and lead cathode
• C)iron anode and aluminum cathode
• D)aluminum anode and silver cathode
• E)lead cathode and silver anode

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Definitions:

Return on Equity

A financial ratio that measures the profitability of a company in relation to shareholders' equity, indicating how effectively equity supports operations and growth.

Earnings Per Share

A measure of a company's profitability calculated by dividing its net income by the number of outstanding shares of its common stock.

Net Profit Margin Ratio

A profitability ratio calculated by dividing net income by net sales, showing how much profit a company makes for every dollar of its sales.

Gross Sales Revenue

the total amount of sales generated by a business before any deductions are made.