How Much Energy Is Stored in a Room 3

question 55

Multiple Choice

How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a strength of 5.0 × 10^-5 T? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 570 mJ.
• B) 29 mJ.
• C) 10 mJ.
• D) 100 mJ.
• E) 570.0 mJ.

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Definitions:

Maintenance Skills

These are the abilities required to repair, care for, and keep machinery, buildings, or equipment in good condition.

Affect

To make a difference to or have an influence on something or someone.

Passenger Service

A range of services provided to individuals traveling or commuting, usually by means of public or private transportation.

Who's

A contraction of "who is" or "who has," used in questions and statements.