The Voltage Drop Across a Metal Bar Is $5.0 \mathrm {~V}$

question 57

Multiple Choice

The voltage drop across a metal bar is $5.0 \mathrm {~V}$ while there is a current of $10.0 \mathrm {~mA}$ through it.How much power does this bar dissipate?

• A)50 mW
• B)500 μW
• C)2.5 kW
• D)0.50 kW

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Definitions:

Contra Asset Account

This is an account used in financial accounting to offset the balance of a related asset account, increasing the overall accuracy of the company's financial statement.

Accumulated Depreciation

The sum of all depreciation expenses allocated for a physical asset from the time it was first utilized.

Depreciation Expense

The systematic write-off of the cost of a tangible asset over its useful life.

Intangibles

Assets that lack physical substance but are nonetheless valuable to a company, such as patents, trademarks, goodwill, and copyrights.