A Battery Is Rated Such That It Provides $1.0 \mathrm {~mW}$

question 66

Multiple Choice

A battery is rated such that it provides $1.0 \mathrm {~mW}$ of power at $9.0 \mathrm {~V}$ when fully charged. How much current can it deliver?

• A) \(0.11 \mathrm {~mA}\)
• B) \(9.1 \mathrm { kA }\)
• C) \(81 \mathrm { kA }\)
• D) \(0.33 \mathrm {~mA}\)

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Definitions:

Market Rate

refers to the usual rate charged or paid for a good or service in a particular market, or the rate of interest available in the marketplace for investment funds.

Coupon Payment

A periodic interest payment made to the bondholders during the life of the bond.

Real Return

The rate of return on an investment after adjusting for inflation, representing the actual purchasing power gained or lost.

Purchasing Power

The value of currency expressed in terms of the amount of goods or services that one unit of money can buy.