Consider the Earth to Have a Uniformly Charged Surface with Density

question 45

Multiple Choice

Consider the Earth to have a uniformly charged surface with density $\sigma$ per unit area.What is the value of $\sigma$ if objects near the surface,carrying charge Q and having mass m,experience no net force?

• A)+ \(\varepsilon\)₀._omg/Q
• B)- \(\varepsilon\)₀._omg/Q
• C)+ 2\(\varepsilon\)₀._omg/Q
• D)-2\(\varepsilon\)₀._omg/Q
• E)Either A or B is correct,depending on the sign of Q.

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Definitions:

Physiological Needs

Basic physical requirements for human survival, such as food, water, shelter, and sleep, considered foundational in Maslow's hierarchy of needs.

Safety Needs

A level in Maslow's hierarchy of needs that entails security, stability, and freedom from fear.

Self-Esteem

A person’s overall subjective emotional evaluation of their own worth; it is a judgment of oneself as well as an attitude toward the self.

Physiological Needs

Basic physical requirements for human survival, such as food, water, and shelter, which become fundamental drives when unmet.