An Ideal Step-Up Transformer Doubles a Primary Voltage of 110

question 7

Multiple Choice

An ideal step-up transformer doubles a primary voltage of 110 V.What is the ratio of the number of turns in its primary coil to the number of turns in the secondary coil?

• A)1:4
• B)4:1
• C)2:1
• D)1:2
• E)1:8

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Definitions:

Externalities

The cost or benefit that affects a party who did not choose to incur that cost or benefit, often not reflected in market prices.

Market Power

The ability of a firm or group of firms to influence the price and production levels of a product or service in the market.

Market Failure

A scenario where the distribution of goods and services by an unregulated market fails to be effective, frequently causing a decrease in overall social welfare.

Communist Countries

Nations where the government controls most forms of economic activity and property is commonly owned.