A Conducting Rod Whose Length Is ℓ = 1

question 126

Multiple Choice

A conducting rod whose length is ℓ = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 Ω as shown in the figure. The rails and the rod are in the plane of the page. A constant uniform magnetic field of strength 2.20 T is applied perpendicular to and out of the paper. An external applied force moves the rod to the right with a constant speed of 6.00 m/s. At what rate is energy dissipated in the lightbulb?

• A)60.0 W
• B)121 W
• C)21.2 W
• D)112 W
• E)11.5 W

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Definitions:

Sterile Instruments

Tools that have been cleaned and sanitized to eliminate all forms of microbial life to prevent infection during medical procedures.

Surgical Site

An area on the body that is the focus of a surgical procedure.

Medical Asepsis

Practices aimed at reducing the number and spread of pathogens to prevent infection, typically in medical settings.

Fenestrated

Having openings or perforations, often used to describe a type of surgical material or anatomical structure with natural or artificial holes.