A15-Ω Resistor Is Connected in Parallel with a 30-Ω Resistor

question 168

Multiple Choice

A15-Ω resistor is connected in parallel with a 30-Ω resistor.If this combination is now connected in series with an ideal 9.0-V battery and a 20-Ω resistor,what is the current through the 15-Ω resistor?

• A)0.10 A
• B)0.13 A
• C)0.20 A
• D)0.26 A

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Definitions:

Monopolistic Competition

A competitive landscape where numerous companies offer products that are alike but not the same, providing an opportunity for limited market control and the distinction of products.

Concentration Ratio

A statistical measure that indicates the extent of competition in a market, calculated as the market share of the largest firms.

Economic Profits

The excess of total revenues over total costs, including both explicit and implicit costs, representing the profit beyond the normal return on investment.

Herfindahl Index

An economic indicator used to assess industry concentration by adding up the squares of individual firms' market shares, highlighting monopoly power.