Early Telephone Receivers Used a Stationary Coil Consisting of Many

question 20

Multiple Choice

Early telephone receivers used a stationary coil consisting of many turns of ____ wrapped around the poles of a permanent horseshoe magnet.

• A)fine wire
• B)striated wire
• C)twisted wire
• D)thick wire

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Definitions:

Discounted Payback Period

The time required to recoup the cost of an investment while considering the time value of money, typically shorter than simple payback period.

Required Return

The least profit anticipated by an investor from an investment in a certain asset, given its risk profile.

Cash Flows

The net amount of cash being transferred into and out of a business, especially as affecting liquidity.

Average Accounting Return

A measure of profitability calculated as the average net income divided by the average book value of investment over a period.