A Wire of a Certain Length, Carrying a Current of 2.0

question 78

Multiple Choice

A wire of a certain length, carrying a current of 2.0 A, is placed perpendicular to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.40 N what is the length of the wire?

• A) 2.0 m
• B) 3.0 m
• C) 1.0 m
• D) 20 m
• E) 40 m

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Definitions:

Gross Private Domestic Investment

The total amount of private domestic investment in physical assets such as buildings, machinery, and equipment by businesses and individuals within a country.

Income Approach

A method of calculating GDP by adding up all incomes within the economy, including wages, interest, profits, and rents.

Expenditures Approach

A method of calculating a country's Gross Domestic Product (GDP) by summing all its spending on final goods and services during a specific period.

Real GDP

The measure of the value of all final goods and services produced within a country in a specified period, adjusted for inflation, reflecting the true economic health of a country.