A Certain Brand of Hot Dog Cooker Applies a Potential

question 56

Multiple Choice

A certain brand of hot dog cooker applies a potential difference (120 V) to opposite ends of the hot dog and cooks by means of the joule heat produced. If 60 kJ is needed to cook each hot dog, what current is needed to cook four hot dogs simultaneously in 3.0 min?

• A) 11 A
• B) 2.8 A
• C) 8.3 A
• D) 2.1 A
• E) 3.6 A

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Definitions:

Cost Formula

An equation used to predict the total cost of production based on fixed costs and variable costs relative to the level of output or activity.

Spending Variance

Spending variance is the difference between the budgeted or standard cost of expenses and the actual amount spent, indicating whether costs were higher or lower than expected.

Manufacturing Overhead

All manufacturing costs except direct materials and direct labor, including costs related to operating the factory like rent, utilities, and equipment depreciation.

Activity Variance

The difference between planned activity levels and actual activity levels, used for budgeting and planning purposes.