Field Due to Circular Loop: a Ring with a Clockwise

question 70

Multiple Choice

Field due to circular loop: 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:

Reversible Figure-ground

A visual perception phenomenon where an image can be seen in more than one way, depending on which element (figure) is perceived as the focus and which as the background.

Perception

The interpretation of sensory information in order to represent and understand the environment.

Stimulus Pattern

A specific arrangement of sensory inputs that is recognized by the brain and elicits a particular response.

Relative Height

A concept in visual perception referring to the way objects are viewed in relation to their surroundings, indicating depth and distance.