The Figure Shown Depicts the Cross Section of a Current

question 49

Multiple Choice

The figure shown depicts the cross section of a current carrying ring of wire having a radius of 4 cm.A 1-A current flows in the ring in the direction indicated in the drawing.The ring is free to rotate,clockwise or counterclockwise,about an axis normal to the page which passes through its center.The ring is connected to a spring with a spring constant of 100 N/m as shown.The spring is fixed to a wall at the other end.When the ring is in the vertical position,the spring is at its natural length.One may assume that the length of the spring is long enough such that any extension or compression follows Hooke's law.Determine the magnitude of the change in length of the spring when a magnetic field B = 2 T is applied along the vertical axis.

• A)1.25 mm
• B)5.0 mm
• C)2.5 mm
• D)6.26 mm

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Definitions:

Secure Attachment

A type of attachment characterized by feelings of safety and security in relationships, often resulting from consistent and responsive caregiving in early childhood.

Avoidant Attachment

A type of attachment characterized by a desire to maintain independence and emotional distance from others, often as a result of negative childhood experiences.

Anxious Attachment

A type of attachment characterized by worry and anxiety about being abandoned or not being close enough to loved ones.

Sexual Arousal

The physiological and psychological state of being stimulated or excited sexually.