A Ring with a Clockwise Current (As Seen from Above

question 21

Multiple Choice

A ring with a clockwise current (as seen from above the ring) is situated with its center directly above another ring, which has a counter-clockwise current, as shown in the figure. In what direction is the net magnetic force exerted on the top ring?

• A) upward
• B) downward
• C) to the right
• D) to the left
• E) The net force is zero.

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Definitions:

Sales Force Composite

A forecasting technique based on salespersons’ estimates of expected sales.

Salespersons' Estimates

Projections of future sales based on the assessments and experiences of a company's salesforce, often used in planning and budgeting.

Demand Forecasts

Predictions about future customer demand for a product or service, based on historical data and future projections.

Financial Planning

The process of creating strategies for managing a person's or organization’s finances to meet short-term and long-term goals.