What Current Must Be Maintained in a Square Loop (50

question 60

Multiple Choice

What current must be maintained in a square loop (50 cm on a side) to create a torque of 1.0 N ⋅ m about an axis through its center and parallel to one of its sides when a magnetic field of magnitude 70 mT is directed at 40° to the plane of the loop?

• A) 66 A
• B) 89 A
• C) 61 A
• D) 75 A
• E) 37 A

---

Definitions:

Specific Goods

Specific goods are items that are distinctly identified or unique, often characterized by specific attributes, brands, or quality that differentiate them from general goods.

Means-tested

A determination of eligibility for government assistance based on the applicant's financial means or income.

Welfare Program

Governmental provision of economic assistance to individuals in need, aiming to support those facing poverty, providing benefits such as food stamps or healthcare support.

Minimum Income

The least amount of earnings necessary for an individual or family to meet their basic needs for living.