A Conducting Rod of Length ℓ= 25 Cm Is Placed

question 50

Multiple Choice

A conducting rod of length ℓ= 25 cm is placed on a U-shaped metal wire that is connected to a lightbulb having a resistance of 8.0 Ω, as shown in the figure. The wire and the rod are in the plane of the page. A constant uniform magnetic field of strength 0.40 T is applied perpendicular to and into the paper. An applied external force pulls the rod to the right with a constant speed of 6.0 m/s. What is the magnitude of the emf induced in the rod?

• A) 0.20 V
• B) 0.30 V
• C) 0.40 V
• D) 0.50 V
• E) 0.60 V

Describe the effects of the temperance movement and other reform initiatives on American society.

Understand the concept of rent-seeking and its implications on society.

Analyze the consequences of government policies that socialize losses and privatize gains.

Explore the special-interest effect and its impact on economic policy and society.

---

Definitions:

Preorder

A commercial strategy allowing customers to place orders for an item before it is made available for sale, ensuring they receive the product as soon as it launches.

Guerrilla Marketing

An advertising strategy that uses unconventional, low-cost tactics to promote a product or service.

Small Businesses

Enterprises characterized by a small number of employees and relatively low volume of sales, often locally or independently owned and operated.

Influencer

An individual who has the ability to affect the purchasing decisions of others because of their authority, knowledge, position, or relationship with their audience.