A Rod with Resistance R Lies Across Frictionless Conducting Rails

question 63

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

---

Definitions:

Disorder Severity

Refers to the assessment of the intensity or degree of symptoms associated with mental or physical health conditions.

Antidepressants

Antidepressants are medications used to treat various mood disorders, including major depressive disorder and anxiety disorders, by adjusting levels of neurotransmitters in the brain.

Generalized Anxiety Disorder

A persistent condition marked by enduring, intense concern and fear about generalized daily activities, items, and circumstances.

Self-Worth

An individual's subjective valuation of themselves, often impacting their mental health and how they interact with the world.