A Rod with Resistance R Lies Across Frictionless Conducting Rails

question 54

Multiple Choice

A rod with resistance R lies across frictionless conducting rails in a constant uniform magnetic field B, as shown. Assume the rails have negligible resistance. The magnitude of the force that must be applied by a person to pull the rod to the right at constant speed v is:

• A) 0
• B) BLv
• C) BLv/R
• D) B²L²v/R
• E) B²Lxv/R

Comprehend the economic considerations in consumer purchasing decisions.

Understand the concept and examples of benefit selling.

Identify the internal and external factors influencing buying decisions.

Learn how product information is internalized and influences the buying decision.

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Definitions:

Involuntary Temporary

Pertains to a situation or condition that is not chosen or desired by the individual and is expected to last for only a limited period.

Economic Autonomy

The ability for an individual, group, or country to make independent economic decisions.

Technological Advances

Progress and innovations in technology that enhance capabilities and functionalities.

Voluntary Stable

Chosen or consensual stability, often referring to relationships or employment situations where parties are committed by choice rather than necessity.