A Conducting Rod Whose Length Is ℓ = 1

question 68

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

Understand the impact of drugs and substances on sleep and general functioning.

Grasp the concept and effects of hypnotism and dissociation.

Recognize the factors that contribute to insomnia and effective management strategies.

Understand the phenomena of sleepwalking and its causes.

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An individual who specializes in the scientific study of personality, exploring aspects like traits, behaviors, and psychological processes.

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A political ideology emphasizing individual freedoms, democracy, and the protection of human rights, often associating with progressive policies.

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