How Much Energy Is Stored in a Room 3

question 19

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.

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Definitions:

Passivity

In context, it refers to the lack of active responses or actions in a situation, leading to acceptance of circumstances without attempt to change them.

Cliques

Social groups that are often exclusive and unified, formed around common interests or friendships, and are characterized by strong in-group loyalty.

Intimate Friendships

Close personal relationships marked by a deep level of understanding, trust, and emotional connection.

Crowds

Large groups of people gathered together, often for a common purpose or event.