A Conducting Bar of Length L Rotates with a Constant

question 38

Multiple Choice

A conducting bar of length L rotates with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 0.20 T) is directed into the paper. If L = 0.40 m, what is the potential difference, VA − VP?

• A)−12 mV
• B)+8.0 mV
• C)−8.0 mV
• D)+12 mV
• E)−16 mV

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Definitions:

Direct Labor

The labor costs that can be directly attributed to the production of goods or services, such as wages for workers who assemble a product.

Standard Cost System

An accounting system that uses predetermined costs for product costing and variance analysis.

Variable Manufacturing Overhead

Costs in manufacturing that vary with production volume, such as supplies and utilities directly involved in the production process.

Machine-Hours

A unit of measure that represents the operation of one machine for one hour, used in manufacturing to allocate costs based on machine usage.