The Current in Two Identical Light Bulbs Connected in Series

question 20

Multiple Choice

The current in two identical light bulbs connected in series is 0.25 A. The voltage across both bulbs is 110 V. The resistance of a single light bulb is

• A)22 ohms.
• B)44 ohms.
• C)220 ohms.
• D)440 ohms.
• E)none of the above

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Definitions:

Price Takers

Firms or individuals in a market who accept the prevailing prices and whose actions have no effect on said prices due to their small market share.

Kinked Demand

A demand curve that has a distinct bend or kink, typically resulting from an oligopolistic market structure where firms face different elasticities for price increases versus price decreases.

Oligopoly Model

A market structure characterized by a small number of large firms that dominate the market, leading to limited competition and potentially collusive behavior.

Price Rigidity

The situation in which prices of goods and services do not adjust immediately to changes in supply and demand, often due to agreements, regulations, or market conditions.